Tapered Roller Bearings
The inner and outer ring raceways are segments of cones and the rollers are tapered so that the conical surfaces of the raceways, and the roller axes, if projected, would all meet at a common point on the main axis of the bearing. This geometry makes the motion of the cones remain coaxial, with no sliding motion between the raceways and the OD of the rollers.
This conical geometry creates a linear contact patch which permits greater loads to be carried than with spherical (ball) bearings, which have point contact. The geometry means that the tangential speeds of the surfaces of each of the rollers are the same as their raceways along the whole length of the contact patch and no differential scrubbing occurs.The rollers are stabilized and restrained by a flange on the inner ring, against which their large end slides, which stops the rollers from popping out due to the "pumpkin seed effect" of their conical shape.
The larger the half angles of these cones the larger the axial force that the bearing can sustain.Tapered roller bearings are separable into a cone assembly and a cup. The non-separable cone assembly consists of the inner ring, the rollers, and a cage that retains & evenly spaces the rollers. The cup is simply the outer ring. Internal clearance is established during mounting by the axial position of the cone relative to the cup, although preloaded installations without clearance are common.
- NTN CRD-7017 tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing
- 59,987 mm x 129,944 mm x 36,678 mm Timken 558-S/553-SB tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing
- 80 mm x 125 mm x 22,5 mm ISO JP8049/10 tapered roller bearings
- Intermediate Duty
- Setscrew Ball Bearing
- Fersa LM603049/LM603014 tapered roller bearings
- Normal Duty
- Grip Tight Ball Bearing
- 120,65 mm x 172,242 mm x 36,512 mm Timken M224749/M224711 tapered roller bearings
- Normal Duty
- Grip Tight Ball Bearing
- Fersa 580/572 tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing
- 50,8 mm x 114,3 mm x 44,45 mm Timken 65395/65320B tapered roller bearings
- Intermediate Duty
- Setscrew Ball Bearing
- 76,2 mm x 139,992 mm x 36,098 mm KOYO 575R/572 tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing
- Timken H239649/H239612CD+H239649XB tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing
- 85 mm x 180 mm x 41 mm ISB 31317 tapered roller bearings
- 200 mm
- 280 mm
- 55 mm x 100 mm x 21 mm ZVL 30211A tapered roller bearings
- Normal Duty
- Eccentric Collar Ball Bearing
- 34,925 mm x 76,2 mm x 25,654 mm FBJ 2793/2729 tapered roller bearings
- Normal Duty
- Setscrew Ball Bearing