d - 105 mm

D - 145 mm

B - 40 mm

D₁ - 130,8 mm

D_{a max} - 139 mm

d_{a min} - 111 mm

d_s - 3,2 mm

F - 118 mm

n_s - 6,5 mm

r_{a max} - 1 mm

r_min - 1,1 mm

s - 1,5 mm / Axial displacement facility from central position

m - 2,02 kg / Weight

C_r - 129000 N / Dynamic load rating (radial)

C_0r - 260000 N / Static load rating (radial)

n_G - 4500 1/min / Limiting speed

C_ur - 34000 N / Fatigue limit load, radial

• Model Number: NNU4921-S-M-SP
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-04-22
• Application:instrument,Optical detection,sucker industry,auto tools,test laboratory equipment and accessories,sawing machine,sleep monitoring,walking Food processing machinery and equipment,plastic rolling,noise reduction equipment,safety testing
• Similar models:ISO NN4921 NSK NNU4921MB NTN NN4921KC1NAP4 CX NN4921K ISO NN4921K SKF NNU4921B/SPW33 FAG NNU4921-S-M-SP NSK NNU4921 NSK RS-4921E4 NSK NNU4921MBKR
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921-S-M-SP products，there is large inventory of FAG NNU4921-S-M-SP . We has been built up long-term cooperation with FAG company, could make a bulk order of the NNU4921-S-M-SP Which FAG NNU4921-S-M-SP is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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