d - 105 mm

D - 145 mm

B - 40 mm

C - 40 mm

b - 5,5 mm

r1 min. - 1,1 mm

r2 min. - 1,1 mm

r3 min. - 0,6 mm

r4 min. - 0,6 mm

D1 - 130,8 mm

F - 118 mm

K - 3 mm

da min. - 111 mm

da max - 116 mm

Da max. - 138,5 mm

db min - 121 mm

ra max. - 1 mm

S - 1,1 mm

dh - 119 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 130 kN

Basic static load rating (C0) - 260 kN

(Grease) Lubrication Speed - 5 300 r/min

(Oil) Lubrication Speed - 6 000 r/min

Fatigue load limit (Pu) - 30

• Model Number: NNU 4921 BK/SPW33
• Inner Diameter：105mm Outer Diameter：145mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-04-18
• Application:textile machinery,pump,hydraulic actuator,vacuum suction cup,garden machinery,Hair styling device,boring bar boring bar,electromyography machine,filter paper products,product accessories,food / grain / food equipment
• Similar models:NACHI NNU4921 FAG NNU4921-S-M-SP NSK NNU4921MB CX NNU4921V NSK NN4921MBKR NTN NNU4921 NTN NNU4921C1NAP4 ISB NNU4921K/SPW33 NSK RS-4921E4 NSK NNU4921MBKR
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4921BK/SPW33 products，there is large inventory of SKF NNU 4921 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4921 BK/SPW33 Which SKF NNU4921BK/SPW33 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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