d - 400 mm

D - 540 mm

B - 140 mm

D₁ - 490.8 mm

F - 446 mm

b - 16.7 mm

K - 9 mm

r_1,2 - min. - 4 mm

r_3,4 - min. - 2.5 mm

s - 5.5 mm

d_a - min. - 415 mm

d_a - max. - 441 mm

D_a - max. - 524 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 1470 kN

Basic static load rating - C₀ - 3800 kN

Fatigue load limit - P_u - 335 kN

Limiting speed for grease lubrication - 1300 r/min

Limiting speed for oil lubrication - 1500 r/min

Mass bearing - 87.5 kg

• Model Number: NNU 4980 BK/SPW33
• Inner Diameter：400mm Outer Diameter：540mm Width：140mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-11
• Application:Optical Instruments,root canal filling,Dental Drill etc,shaft milling machine,thread processing machine,X-ray Equipment,spreader series,forklift industry,coupling type,atomizer class,static control
• Similar models:NKE NNCL4980-V PSL NNCL4980V SKF NNU4980BK/SPW33 NSK NNCF4980V ISO SL014980 INA SL014980 SKF NNC4980CV NKE NNC4980-V NSK RSF-4980E4 CX NNC4980V
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4980BK/SPW33 products，there is large inventory of SKF NNU 4980 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4980 BK/SPW33 Which SKF NNU4980BK/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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  IR-2426	6.5000		3.0150	RBC	NEEDLE BEARINGS