d - 105 mm

D - 145 mm

B - 40 mm

D₁ - 130,8 mm

D_{a max} - 139 mm

D_{b min} - - mm

d_{a min} - 111 mm

F - 118 mm

r_{a max} - 1 mm

r_min - 1,1 mm

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

m - 1,93 kg / Weight

C_r - 129000 N / Dynamic load rating (radial)

C_0r - 260000 N / Static load rating (radial)

n_{G Fett} - 5300 1/min / Limiting speed for grease lubrication

n_{G Ol} - 6300 1/min / Limiting speed for minimal quantity oil lubrication

C_ur - 41500 N / Fatigue limit load, radial

Main dimensions to DIN 5412-4

• Model Number: NNU4921-S-K-M-SP
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-17
• Application:sample cup,large agricultural machinery,education model Instruments,printing equipment,woodworking machinery,pressure control valve,rubber products machinery and equipment,Automobile,food add,Microwave Equipment,relay
• Similar models:NSK NN4921MB ISB NNU4921K/SPW33 CX NNU4921V ISO NNU4921 NACHI NNU4921K NTN NN4921C1NAP4 ISB NNU4921SPW33 ISO NNU4921KV NSK RSF-4921E4 NTN NN4921KC1NAP4
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921-S-K-M-SP products，there is large inventory of FAG NNU4921-S-K-M-SP . We has been built up long-term cooperation with FAG company, could make a bulk order of the NNU4921-S-K-M-SP Which FAG NNU4921-S-K-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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