657/653 Tapered Roller Bearing Specifications
Bore d (mm)
73.025
Outer D (mm)
146.05
Width B (mm)
41.275
Dynamic rating Cr (kN)
254
Static rating Cor (kN)
296
Grease limit speed (r/min)
2400
Oil limit speed (r/min)
3200
Frequently Asked Questions / FAQ
What are the exact dimensions of RAYSDE 657/653?
RAYSDE 657/653 Tapered Roller Bearing: bore d = 73.025 mm, outer diameter D = 146.05 mm, width/height B = 41.275 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RAYSDE 657/653 carry?
Dynamic load rating Cr = 254 kN and static load rating Cor = 296 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RAYSDE 657/653 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RAYSDE 657/653 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 73.025 mm, OD 146.05 mm and width 41.275 mm match ISO dimensions, 657/653 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.