d - 100 mm

D - 140 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 - 125,8 mm

F - 113 mm

K - 3 mm

da min. - 106 mm

da max - 111 mm

Da max. - 133,5 mm

db min - 116 mm

ra max. - 1 mm

S - 1,1 mm

dh - 113,8 mm

Weight - 1,9 Kg

Basic dynamic load rating (C) - 128 kN

Basic static load rating (C0) - 255 kN

(Grease) Lubrication Speed - 5 600 r/min

(Oil) Lubrication Speed - 6 300 r/min

Fatigue load limit (Pu) - 29

• Model Number: NNU 4920 BK/SPW33
• Inner Diameter：100mm Outer Diameter：140mm Width：40mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-10
• Application:boring bar boring bar,extruder,tapping machine,Dental Drill etc,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,manual Tools,hot and cold box,coal,floor industry,metal mold,reinforced machinery
• Similar models:CX NNU4920K ISO NN4920K ISO NN4920 IKO NAU4920 INA SL024920 NSK NN4920MBKR IKO NAU4920UU NTN SL02-4920D2 SKF NNCL4920CV NSK RS-4920E4
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4920BK/SPW33 products，there is large inventory of SKF NNU 4920 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4920 BK/SPW33 Which SKF NNU4920BK/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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