Thrust Bearings

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A thrust bearing is a particular type of rotary bearing. Like other bearings they permit rotation between parts, but they are designed to support a predominantly axial load.

Thrust ball bearings, composed of bearing balls supported in a ring, can be used in low thrust applications where there is little axial load.
Cylindrical thrust roller bearings consist of small cylindrical rollers arranged flat with their axes pointing to the axis of the bearing. They give very good carrying capacity and are cheap, but tend to wear due to the differences in radial speed and friction which is higher than with ball bearings.
Tapered roller thrust bearings consist of small tapered rollers arranged so that their axes all converge at a point on the axis of the bearing. The length of the roller and the diameter of the wide and the narrow ends and the angle of rollers need to be carefully calculated to provide the correct taper so that each end of the roller rolls smoothly on the bearing face without skidding. These are the type most commonly used in automotive applications (to support the wheels of a motor car for example), where they are used in pairs to accommodate axial thrust in either direction, as well as radial loads. They can support greater thrust loads than the ball type due to the larger contact area, but are more expensive to manufacture.

Bearing Number Bore Dia Outer DIa Width Size
NSK 600 Bearing 7000 rpm 16.00 mm 22400 N 1.00 mm
55mm x 120mm x 48mm QBL 51411-qbl Thrust Bearings 88400 N 180.0000 mm 28.00 mm 1.00 mm
55mm x 120mm x 48mm NSK 51411-nsk Thrust Bearings 60 mm 25 mm 1 mm 50 mm
50mm x 110mm x 43mm SKF 51410-skf Thrust Bearings 1.50 mm 24.00 mm 5000 rpm 5000 rpm
50mm x 110mm x 43mm QBL 51410-qbl Thrust Bearings 1.5 mm 100 mm 9000 r/min 1.1 kg
50mm x 110mm x 43mm NSK 51410-nsk Thrust Bearings 425 mm 680 kN 0.15 439 kg
45mm x 100mm x 39mm QBL 51409-qbl Thrust Bearings 100 N/mm² 219 mm M 45x3 3.2 kg
45mm x 100mm x 39mm SKF 51409-skf Thrust Bearings 12500 N 95.0000 mm 12900 N 7500 rpm
45mm x 100mm x 39mm FAG 51409-fag Thrust Bearings 1403 mm 12 mm 3390 kg 1532 mm
45mm x 100mm x 39mm NSK 51409-nsk Thrust Bearings 0.30 mm 12.000 mm 22000 rpm 6240 N
QBL xlt4.1/2-qbl Thrust Bearings 124 ° 91.5 mm 4 mm 8 mm
40mm x 90mm x 36mm FAG 51408-fag Thrust Bearings 136 kN 2 x LOR 112 EPR 14 181.44 g
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