NF307M Cylindrical Roller Bearing Specifications
Bore d (mm)
35
Outer D (mm)
80
Width B (mm)
21
Dynamic rating Cr (kN)
61
Static rating Cor (kN)
47
Grease limit speed (r/min)
8000
Oil limit speed (r/min)
9500
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NF307M?
RUIST NF307M Cylindrical Roller Bearing: bore d = 35 mm, outer diameter D = 80 mm, width/height B = 21 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NF307M carry?
Dynamic load rating Cr = 61 kN and static load rating Cor = 47 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NF307M typically used?
Cylindrical Roller Bearing of this size are common in electric motors, gearboxes, pumps, conveyors, fans and compressors across heavy-industry plants.
Can RUIST NF307M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 35 mm, OD 80 mm and width 21 mm match ISO dimensions, NF307M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.