NF317M Cylindrical Roller Bearing Specifications
Bore d (mm)
85
Outer D (mm)
180
Width B (mm)
41
Dynamic rating Cr (kN)
277
Static rating Cor (kN)
247
Grease limit speed (r/min)
3400
Oil limit speed (r/min)
4000
Frequently Asked Questions / FAQ
What are the exact dimensions of RUIST NF317M?
RUIST NF317M Cylindrical Roller Bearing: bore d = 85 mm, outer diameter D = 180 mm, width/height B = 41 mm. All dimensions follow ISO/DIN standards so it drops into existing housings without modification.
What load ratings does RUIST NF317M carry?
Dynamic load rating Cr = 277 kN and static load rating Cor = 247 kN. These figures let you calculate the L10 service life under your actual radial and axial loads.
Where is RUIST NF317M 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 NF317M replace a SKF, FAG, NSK or TIMKEN unit?
Yes. Because bore 85 mm, OD 180 mm and width 41 mm match ISO dimensions, NF317M is dimensionally interchangeable with major-brand equivalents. Confirm clearance class (C3/C0) before ordering.