JM612949/JM612910 Tapered Roller Bearing Specifications
Bore d (mm)
70
Outer D (mm)
115
Width B (mm)
29
Dynamic rating Cr (kN)
39
Static rating Cor (kN)
198
Grease limit speed (r/min)
—
Oil limit speed (r/min)
—
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST JM612949/JM612910?
RUIST JM612949/JM612910 Tapered Roller Bearing: bore d = 70 mm, outer diameter D = 115 mm, width/height B = 29 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST JM612949/JM612910 carry?
Dynamic load rating Cr = 39 kN and static load rating Cor = 198 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST JM612949/JM612910 typically used?
Tapered Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST JM612949/JM612910 replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 70 mm, OD 115 mm and width 29 mm match ISO dimensions, JM612949/JM612910 is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.