d - 380 mm

D - 520 mm

B - 140 mm

D₁ - 470.8 mm

F - 426 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. - 395 mm

d_a - max. - 421 mm

D_a - max. - 505 mm

r_a - max. - 3 mm

Basic dynamic load rating - C - 1450 kN

Basic static load rating - C₀ - 3600 kN

Fatigue load limit - P_u - 320 kN

Limiting speed for grease lubrication - 1300 r/min

Limiting speed for oil lubrication - 1500 r/min

Mass bearing - 83.5 kg

• Model Number:NNU 4976 BK/SPW33
• Inner Diameter：380mm Outer Diameter：520mm Width：140mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-12
• Application:instrumentation instrument,medical equipment,Laser Cutting,Special Equipment,Machine Tool Accessories,Forklift industry,ECG,screen filter,outdoor equipment,Hydraulic Couplings,rehabilitation training equipment
• Similar models:NBS SL024976 NKE NNCF4976-V NTN SL02-4976 NSK RS-4976E4 INA SL014976 NSK RSF-4976E4 ISO SL024976 SKF NNCF4976CV NTN SL01-4976 ISO NNCL4976V
• BEARING POWER International Trading Co.,Ltd. specialize in NNU4976BK/SPW33 products，there is large inventory of SKF NNU 4976 BK/SPW33 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4976 BK/SPW33 Which SKF NNU4976BK/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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