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TIMKEN

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TIMKEN Corporation is the world's leading manufacturer of high-quality bearings, alloy steels, and related components and accessories. TIMKEN's technology and products can be found wherever equipment is in operation and power transmission.

As early as over 100 years ago, TIMKEN bearing company in business operations adhered to high moral and integrity norms. TIMKEN bearing company founder Henry. Timken once said: "If you have an idea you think is right, stick to the end ...... but the important is, don't do anything that puts your name in disrepute." Today, this spirit has become a core value of Timken.

TIMKEN Bearings has a team of 27,000 employees worldwide, a strong team dedicated to improving the performance of its products. Helping customers achieve greater success is why it is awarded upwards of three hundred awards each year by customers worldwide.

Whether it's a hub assembly for a family car, bearings for a roller coaster, repair services for track bearings, or steel for an aircraft engine shaft, TIMKEN Bearings provides the products and services that make the world run smoother.

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Rollon Group By TIMKEN

Many of the world's largest warehouse automation equipment manufacturers have integrated many Rollon solutions into their systems. Rollon, which joined The Timken Company portfolio of brands in 2018, produces linear actuators and telescopic guides that equip everything from rack-style automated storage and retrieval systems (ASRS) to automated guided vehicles (AGVs). Rollon's leadership in these applications dates back over a decade when consumer warehouses started implementing intralogistics, or automating, managing and optimizing the flow of goods through a facility.

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Philadelphia Gear By TIMKEN

Philadelphia Gear manufactures and services custom-engineered gearbox systems for critical defence, energy, and infrastructure applications. Our legacy of design expertise spans over 130 years of serving global OEMs and end-users. Now, as part of the Timken Power Systems' network, we leverage electro-mechanical expertise to provide real-time solutions for your gearbox and your complete drivetrain system. From gearboxes to electric motors and generators to control systems and bearing repair, we offer a one-stop solution for keeping your critical equipment turning.

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Groeneveld-BEKA By TIMKEN

Groeneveld-BEKA, part of The Timken Company, is the world's second-largest producer of automatic lubrication systems, fluid management and safety support systems. Groeneveld-BEKA products improve equipment life and reliability while reducing the total cost of ownership.

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SPINEA By TIMKEN

The company's products suit applications requiring a high reduction gear ratio, high kinematic precision, zero backlash motion, high torque capacity, high rigidity, compact design in limited installation space, and low weight. They are widely used in automation and industrial robotics, in the field of machine tools manufacturing, in navigation and camera equipment, medical systems and many other fields. SPINEA enjoys membership in international robotics associations, such as the International Federation of Robotics, EU Robotics, and the German Engineering Federation - VDMA.  

Types of TIMKEN Bearings

TIMKEN Bearings TypesTIMKEN Bearings FeaturesTIMKEN Bearings Application Occasions
Timken Ball BearingsMiniature Bearings and Instrument BearingsTimken miniature bearings are available in inch and metric sizes to meet all accuracy requirements, including radial locating rings, pivot, thrust, high-speed radial, angular contact and full complement ball bearing accessories.Handpieces for dental rotation, medicine and industry
Flow Meters
Fuel controllers
Gyroscopes, synchronizers and servos
Electric motors
Cryogenic coolers
Lung assist device
Deep groove ball bearingsTimken deep groove ball bearings deliver reliable performance in various applications. With ultra-finished raceways and optimized geometries, our premium designs help ensure consistent product quality. Our product portfolio includes standard, thin-walled, narrow, wide, miniature and subminiature deep groove ball bearings with bore diameters ranging from 3 mm to 400 mm. The expanded product line covers the portfolio of open, dust cap, seal and snap rings.
Angular contact ball bearingsTimken angular contact ball bearings are designed to carry combined radial and axial loads. Single-row bearings can handle higher axial loads from one direction. Some single-row bearings are often designed to be mounted in pairs for maximum performance. Double-row Conrad bearings can handle axial loads in both directions.Angular contact ball bearings are designed for high-speed, high-precision applications in:
Agriculture
Chemical industry
General Industry
Utilities
Timken Cylindrical Roller BearingsNU-type cylindrical roller bearings (RIU, RU)This bearing only bears the radial load and can adapt to axial expansion and contraction. When the bearing rotates, one collar is axially displaced relative to the other, creating a small amount of friction. If axial positioning is provided, these bearings can support the shaft in one or two positions. The outer ring has a double retaining edge, while the inner ring does not have a retaining edge. Size range: 80mm to 2000mm ODCement, coal mills
Pumps
Compressors
Planetary Gear
Gearboxes
Centrifuges
Mining Equipment
Mineral processing
Transmission
N-type cylindrical roller bearings (RIN, RN)These bearings can only carry radial loads and accommodate axial expansion and contraction. When the bearing rotates, one collar is axially displaced relative to the other, creating a small amount of friction. If another axial positioning is provided, these bearings can support the shaft in one or two positions. Outer ring without retaining edge, inner ring with a double retaining edge. Size range: 80mm to 2000mm ODCement preparation equipment: such as crushers, vertical milling machines, ball mills and rolling mills; conveyor drives; transmission boxes, spherical belt seat bearings; trunnions, rotary kilns, etc.
Power generation equipment: coal mills, gearboxes, gear drives, etc.
Oilfield equipment: such as mud pumps, winches, rotary joints, pulley big hooks, fixed pulleys, dynamic pulleys, top drives, etc.
NJ-type cylindrical roller bearings (RIJ, RJ )NJ type bearing with double-edge outer and single-edge inner rings can support a high radial load, equivalent to 10% of the radial load, and below the one-way thrust load. The thrust load is transmitted between the diagonal upper roller and the retaining edge on the sliding surface. Size range: 80 mm to 2000 mm ODCement preparation equipment: such as crushers, vertical milling machines, ball mills and rolling mills; conveyor drives; transmission boxes, spherical belt seat bearings; trunnions, rotary kilns, etc.
Power generation equipment: powder mills, gearboxes, gear drives, etc.
Oilfield equipment: such as mud pumps, winches, rotary joints, pulley big hooks, fixed pulleys, dynamic pulleys, top drives, etc.
NF-type cylindrical roller bearings (RIF, RF)NF-type cylindrical roller bearings with single-edge outer and double-edge inner rings can support high radial load, equivalent to 10% of the radial load, and below the one-way thrust load. The thrust load is transmitted between the diagonal rollers and the retaining edge on the sliding surface. Size range: 80mm to 2000mmCement preparation equipment: such as crushers, vertical milling machines, ball mills and rolling mills; conveyor drives; transmission boxes, spherical belt seat bearings; trunnions, rotary kilns, etc.
Power generation equipment: powder mills, gearboxes, gear drives, etc.
Oilfield equipment: such as mud pumps, winches, rotary joints, pulley big hooks, fixed pulleys, dynamic pulleys, top drives, etc.
NP-type cylindrical roller bearings (RIT, RT)NP-type cylindrical roller bearings have a double retaining outer edge ring and a single retaining edge inner ring with an additional retaining edge. This construction allows the bearing to provide axial positioning in both directions and to carry light thrust loads. The elements for controlling radial and thrust load capacity are identical to the NJ type.
Size range: 15 mm to 2000 mm OD
Cement preparation equipment: such as crushers, vertical milling machines, ball mills and rolling mills; conveyor drives; transmission boxes, spherical belt seat bearings; trunnions, rotary kilns, etc.
Power generation equipment: powder mills, gearboxes, gear drives, etc.
Oilfield equipment: such as mud pumps, winches, rotary joints, pulley big hooks, fixed pulleys, dynamic pulleys, top drives, etc.
NUP-type cylindrical roller bearings (RIP, RP)NUP-type cylindrical roller bearings have a double retaining edge inner ring and a single retaining edge outer ring with an additional retaining edge. This construction allows the bearing to provide axial positioning in both directions and to carry light thrust loads. The elements for controlling radial and thrust load capacity are identical to the NJ type.
Size range: 80mm to 2000mm OD
Cement preparation equipment: such as crushers, vertical milling machines, ball mills and rolling mills; conveyor drives; transmission boxes, spherical belt seat bearings; trunnions, rotary kilns, etc.
Power generation equipment: powder mills, gearboxes, gear drives, etc.
Oilfield equipment: such as mud pumps, winches, rotary joints, pulley big hooks, fixed pulleys, dynamic pulleys, top drives, etc.
Double-row cylindrical roller bearings (NN, NNU)Double-row cylindrical bearings are capable of carrying large radial loads. These bearing types are interchangeable, and their dimensions, diameter under the roller (NNU type), and diameter above the roller (NN type) follow ISO/DIN standards. Users can change to other manufacturers' inner rings, except for the rollers.
Size range: 15mm ID to 2000mm OD
Gearing
Cutting head shears
Steel rolling mills
Machine tools
Multi-row cylindrical roller bearingsFour-row cylindrical roller bearings are used almost exclusively in the metalworking industry and can withstand high radial loads in mills processing steel, aluminium and other metals.
Size range: 145 mm to 1040 mm bore
Support rollers
Working rolls
Cement crushing equipment
Single column full loadFull complement (NCF) single row Timken® bearings have integral retaining edges on the inner and outer rings. The bearings can also withstand axial loads in one direction and allow for slight axial displacement.Gearing Systems
Flying shear equipment
Rolling mills
General Industry
Double row full complement cylindrical roller bearingsTimken now offers a broader range of full complement cylindrical roller bearings that maximize the number of rollers in a given size envelope to meet the demand for higher radial load capacity. The expanded product offering covers several single and double-row designs with a minimum bore of 100 mm.
Size range: 100 mm ID to 2000 mm OD
Gearing Systems
Flying shear equipment
Rolling mills
General Industry
ADAPT® series bearings for continuous casting machinesTimken® ADAPT® series bearings are designed for continuous casting machines to ensure reliable and efficient operation of the machine. The ADAPT® series bearings are based on traditional cylindrical and spherical roller bearing designs, so users can benefit from both designs.
The bearings comprise an inner and outer ring and a roller cage assembly. The cage locates the rollers and prevents damage to the rollers during loading and unloading.
The separate assembly simplifies installation, disassembly and inspection. The inner and outer rings can be mounted in either direction, avoiding mounting errors and eliminating the need for tools.
Currently available in sizes ranging from 100 mm to 170 mm bore (3.94 in. to 6.69 in.).
Gearing Systems
Flying shear equipment
Rolling mills
General Industry
Timken Bearing Units with SeatsSAF Bearing with housingTimken SAF-housed bearings combine solid cast iron or steel housings with high-load capacity spherical roller bearings to meet the most demanding heavy-duty industrial requirements. The convenient split housing design simplifies assembly and maintenance. Each housing has an advanced design spherical roller bearing with optimized geometry and raceway surface finish for maximum load-carrying capacity and service life. Timken manufactures two main types of these housings: SAF and SDAF. The larger SDAF housing is recommended for extremely heavy-duty applications.
Size range: 35mm to 300mm (1.37795 in. to 11.811 in.) with special shaft sizes up to and over 1000mm (39.37 in.).
Conveyors
Mining Applications
Pulp and paper mills
Metallurgical equipment
SNT-bearing units with housingTimken SNT-housed bearing units feature durable cast iron housings and solid sealing options that retain lubricant and prevent the ingress of contaminants. A metric split housing bearing unit is available with Timken® high-performance spherical roller bearings, providing excellent performance in harsh environments.
Timken SNT-housed bearing units are available in two-bolt and four-bolt mounting configurations. 200, 300, 500 and 600 series housings are available in the SNT product line; larger sizes are available in the 3000 and 3100 series.
Shaft sizes range from 20 mm to 380 mm (0.787 to 15 in.) and are available in cast steel and ductile iron housings for high-load applications.
Timken SNT housing bearings are designed to meet the requirements of demanding heavy industrial applications:
Thermal power
Mining/aggregate/cement
Metal rolling mills
Pulp and paper/logging/forestry/water treatment
Food processing
Warehousing
Movable bridges/structures
Industrial fans/blowers
One-piece spherical roller bearing with the housing unitTimken® one-piece spherical roller-bearing housing units are designed for the most challenging environments. Comprised of cast steel housings and high-performance spherical roller bearings, these housing units are the only spherical roller bearing housing units available with steel one-piece housings. In addition, it can operate efficiently on shafts with ±0.75 degrees of eccentricity without loss of life.Metal rolling mills
Aggregate and cement industry
Mining
Power generation
Logging and other forest products industry
Pulp and paper
Material Handling
Commercial and industrial building products
Sugar production
Agriculture
Waste management and wastewater treatment
Off-road equipment and construction vehicles
HVAC, fans and blowers
Cranes, hoists and winches
Type E tapered roller bearing with the housing unitTimken® E-type tapered roller bearing units with housings offer enhanced bearing performance and a double-lip seal design for demanding applications, such as machining and material handling equipment. Its enhanced bearing performance, double-lip seals, corrosion-resistant housing and self-locking collar design make it superior to other industry-leading designs using Timken standard bearings.Material Handling
Food and Beverage Processing
Agriculture
Packaging
Industrial fans/blowers
Glassmaking
Brickmaking
Paper and printing
UC series ball bearing units with seatsUC series ball-bearing units with seats are designed for optimum performance. Five housing designs and interchangeable inserts are available in various metric or inch sizes. The housed units include wide inner ring ball bearings, set screw locking design, multi-layer seals with steel strops and precision machined iron housings.Material Handling
Food and Beverage Processing
Agriculture
Packaging
Industrial fans/blowers
Glassmaking
Brickmaking
Paper and printing
Timken Joint BearingsRadial spherical plain bearingsTimken spherical plain bearings (SPBs), or bushings as they are called, are metal-to-metal contact bearings consisting of a ground spherical inner ring and an outer mating ring without any rolling elements. These bearings are manufactured from hardened steel and precision ground and can be customized with special materials, clearances, surface finishes, or configurations to suit specific applications.
Size range: bore 12.7 mm - 600 mm (0.500 in. to 23.622 in.)
Mining truck A-frame, tipping cylinders, front and rear spreader bars and steering cylinders.
Equalizer track bar, lifting and tilting cylinders, propulsion vanes, fixed ball and dozer looser vanes.
Articulating system upper and lower steering power cylinders, wheel loader motor arm and bucket cylinders.
Hydraulic excavator bucket bar and bucket cylinders.
Also used in space shuttles, heavy mobile structures and other kinds of motor vehicles.
Radial spherical plain bearings with lip sealsThis plain bearings series is similar to SF and FS but contains a lip seal inside its outer ring to withstand higher grease pressure during lubrication. This lip seal provides uniform lubricant distribution on the bearing surface and effectively prevents internal contamination. And all such bearings are made of hardened steel and precision ground and can be customized to meet customer needs, including special materials, clearance, surface finish or construction to suit specific applications.
Bore sizes from 12.7 mm to 600 mm (.5 in. to 23.622 in.) are available in inch and metric sizes.
Mining truck A-frame, tipping cylinders, front and rear spacers and steering cylinders.
Bulldozer equalizer track bar, lifting and tilting cylinders, propeller blade, fixed ball and looser blade.
Wheel loader articulating system upper and lower steering cylinders and movable arm and bucket cylinders.
Hydraulic excavator bucket bar and bucket cylinders.
Also used in space shuttles, heavy mobile structures and other kinds of motor vehicles.
Angular contact thrust plain spherical bearings.Timken's spherical plain bearings (SPBs), or bushings, are metal-to-metal contact bearings consisting of a ground spherical inner ring with an outer mating ring without any rolling elements. All such bearings are manufactured from hardened steel and precision ground and can be customized with special materials, clearances, surface finishes, or configurations to suit specific applications. The outer ring of SBT and SBDT-type bearings are designed with lubrication orifices to facilitate relubrication through the bearing housing.
Bore sizes from 12.7 mm to 600 mm (.5 in. to 23.622 in.) are available in inch and metric sizes.
Mining truck A-frames, tipping cylinders, front and rear spacers as well as steering cylinders;
Bulldozer equalizer track rods, lifting and tilting cylinders, propeller blades, fixed ball and looser blades;
Wheel loader articulated system upper and lower steering cylinders, as well as movable arm and bucket cylinders;
Hydraulic excavator bucket rods and bucket cylinders;
Space shuttles, heavy mobile structures and other assorted motor vehicles.
Timken Precision BearingsMiniature and ultra-precision bearingsTimken® miniature bearings are made of high-quality steel with precise tolerances and excellent characteristics to meet demanding performance requirements. The quality of our ultra-precision ball bearings exceeds ISO/ABMA standards and maximizes machine performance.
Machine tool bearingsTimken® machine tool bearings address the need for rotational accuracy, stability and rigidity, providing extended life and extreme stiffness and precision under extremely high loads.
Precision Tapered Roller BearingsTimken's high-precision tapered roller bearings consist of precision machined components that allow for further fine adjustments to be performed when adjusting and regulating the bearings, helping customers maximize the efficiency of their machines. Timken manufactures high-speed bearings with variable preload capability for optimum performance. Timken also manufactures ultra-precision bearings with an overall radial runout of less than one micron.
Precision thin-walled ball bearings.The Timken® precision thin-walled bearing product line offers high-precision, ultra-thin, standard stainless or chrome steel designs. The product line includes deep groove ball bearings and angular contact bearing types with many special features to meet specific application requirements.
Timken Spherical Roller BearingsSteel cage spherical roller bearingsTimken® spherical roller bearings with steel cages offer longer fatigue life, better resistance to abrasive particles, and stronger protection against shock loads and acceleration.
Brass cage spherical roller bearingsTimken® spherical roller bearings with brass cages provide extra strength and durability under the most severe operating conditions, including extreme shock or vibration, rapid acceleration and minimal lubrication.
Timken Tapered Roller BearingsInch single-row tapered roller bearings.This is the most basic and widely used type of tapered roller bearing. It contains two main separable parts: the inner ring assembly and the outer ring. It is usually mounted on a shaft in a reverse pair bearing.Vehicle front wheels
Differential and pinion configurations
Transmission rollers
Machine tool spindles
Trailer wheels
Metric single-row tapered roller bearingsIn addition to the widest range of inch single-row tapered roller bearings, Timken offers a wide variety of metric single-row tapered roller bearings by ISO 355:2007. Please see the following Timken metric tapered roller bearing catalogue for product listings and model information.For gearboxes, pumps and conveyors in power generation, mining, oil and gas extraction, wind energy, pulp and paper, food and beverage, gearing, cement and metallurgical applications
For engineering and construction, mining, railroads, automotive drivelines, gearboxes, shaft cores, wheel ends and transmissions, etc.
Metric Paired Tapered Roller BearingsTimken's metric paired tapered roller bearings consist of two single-row bearings and spacers that are factory ground to a preset clearance. Metric paired tapered roller bearings can be used in applications requiring high load-carrying capacity or where the shaft must be provided with bi-directional axial positioning and a specific axial clearance or preload. Timken offers various metric-paired tapered roller bearings and follows industry numbering standards to simplify interchangeability. Please see the following Timken metric paired tapered roller bearing catalogue for product listings and model information.Gearing systems and transmissions
Cement
Thermal power coal transporters
Port equipment
Rubber and other industrial applications
Timken Thrust BearingsTVL-type thrust ball bearingTVL-type thrust ball bearings operate at high speeds with low temperature, quiet, extremely low friction and are less sensitive to eccentricity. This bearing type is designed to carry thrust loads but can also handle certain radial loads.
Size range: 228.6 mm to 1371.6 mm (9 to 54 in.)
Fluid control valves
Machine tables and spindles
Oil and gas rotary tables

Angular contact, thrust load only (DTVL)The DTVL-type thrust ball bearing is designed with two rows of angular contact balls and three raceway elements on the top and bottom. In contrast to the TVL type, this type of bearing can carry thrust loads in one direction while carrying smaller thrust loads in the other direction.
Size range: 508 mm - 1374.775 mm
Oil and gas rotary table

Standard bearing (TP)Designed for heavy load, medium speed operating conditions. The standard TS bearing style can operate at circumferential line speeds up to 1000 m/min. Special designs in bearing and mounting are available to allow this bearing style to operate at higher rotational speeds.
Size range: 50.8 mm to 609.6 mm (2 to 24 in.)
Cone Crusher
Crane hooks
Extruders
Gearboxes
Oil well rotary table
Power drive unit
Crushers
Pumps

Spherical washer bearing (TPS)The TPS type bearing is similar in design to the TP, but the TPS has a bottom washer assembly consisting of two races with contact surfaces ground to a spherical shape. This type of bearing is self-aligning and can cope with initial eccentric conditions. It is not recommended for use in operating conditions with continuous changes in alignment (dynamic eccentricity).
Size range: 50.8 mm to 406.4 mm (2 to 16 in.)
Construction wheel equipment
Drilling Machine
Lifting equipment
Power generation gearboxes

Thrust Spherical Roller BearingsThe thrust spherical roller bearings are designed to achieve high thrust and low friction with continuous roller alignment. This bearing type is suitable for applications with heavy loads, where it is difficult to establish or maintain housing alignment or where shaft deformation can occur.
Size range: 110 mm to 850 mm
Anti-sprayer
Sorting machine
Extruder
Gearboxes
Metal rolling mill work/support rolls
Preheating fans
Pumps
Screw conveyors

Thrust tapered roller bearings.The bearings are made from high-quality surface carburized bearing steel with a hard, fatigue-resistant surface, tough, and fracture-resistant core to maximize bearing operating life. The high-quality material also resists high shock loads in high-load applications.Machine Tools
Mill Stand
Oil well rotary table
Plastic extruder
Paper pulp finishing mill

Crossed roller thrust bearingsTimken's crossed roller bearings (TXR) are designed to provide the highest rotational accuracy and stiffness in a small space with material cost savings. TXR-type bearings are suitable for machine tool applications such as vertical boring and grinding machines. They are also particularly suitable for many applications where space is limited, or the rotating material's lowest possible centre of gravity is required for pivots and bases.
Size range: 457.2 mm to 1549.4 mm (8 to 61 in.)
Precision rotary indexing tables for machine tools
Vertical and horizontal boring machines
Vertical grinding machines
Rotary surface grinding machines
Large gear hobbing machines
Gun and radar rotary tables
Large radio and optical telescopes
Rotating cameras
Steering pivots and continuous casting machines
Height-constrained pivots
Microscope tables
Rod centre pivot
Rotating bogies
Welding bracket
Large tanker mooring float
Rotary assembly jig
Industrial robots

Advantages of TIMKEN  Bearings

For more than 100 years, Timken has specialized in producing and developing tapered roller bearings to meet the needs of a growing number of customers worldwide and has become a major manufacturer of tapered roller bearings. Timken is a leading manufacturer of advanced engineered bearings and alloy steels, with over 100 plants and offices in 25 countries worldwide.

Where are Timken bearings made?

Timken entered the Chinese market in 1992. Timken has built a strong business team in China and invested in manufacturing facilities with world-class production or service capabilities. In Greater China, Timken has over 3,600 employees, 14 offices at all levels in major cities, five bearing manufacturing facilities and three power transmission manufacturing facilities, a training centre and multiple logistics, engineering and value-added industrial service centres to meet the needs of customers worldwide, especially in China.

Timken in China currently has five factories; Wuxi small bearing factory mainly produces spherical roller bearings and spherical bearings. Wuxi large bearing factory mainly produces tapered roller bearings, spherical roller bearings, and cylindrical roller bearings. Yantai factory is the earliest, mainly producing 4-8 inches full hardened and carburized steel single-row tapered roller and wheel bearings. Chengdu aerospace factory mainly produces small and medium size composite ball bearings and cylindrical roller bearings. Xiangtan factory (joint venture) mainly produces fan spindle bearings.

TIMKEN Bearings Equivalent

Timken bearings are interchangeable in size with competitors' products.

In addition, considering the high prices of internationally known bearing brands, if you want to find a suitable bearing replacement with guaranteed quality, choosing TFL Bearings is a good choice. Over the years, TFL Bearings has been recognized by domestic and international customers as a quality alternative to SKF, FAG, INA, NSK, NTN, KO, NMB, FYH, NNCHI, and TIMKEN bearings.TFL Bearings' commitment to precision manufacturing and strict quality control processes has proven its reliability and efficiency in various industrial applications. We offer performance and durability comparable to genuine bearings, conforming to international standards and using advanced technology and materials. A key advantage of TFL bearings is their competitive price without sacrificing quality, making them an attractive alternative to more expensive bearings.

We can offer a full range of bearings to meet the needs of different customers. We are always happy to offer advice and answer any questions. Check out our product range or contact us for more information.