Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4980 B/SPW33

NNU 4980 B/SPW33

Dimensions

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
s	max.	5.5	mm

Abutment dimensions

d_a	min.	415	mm
d_a	max.	441	mm
d_b	min.	451	mm
D_a	max.	524	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	1470	kN
Basic static load rating	C₀	3800	kN
Fatigue load limit	P_u	335	kN
Attainable speed for grease lubrication		1300	r/min
Attainable speed for oil-air lubrication		1500	r/min

Mass

Mass bearing

Model Number: NNU 4980 B/SPW33
Inner Diameter：400mm Outer Diameter：540mm Width：140mm
Reference speed:- Limiting speed:-
Type：Bearings, units and housings Super-precision bearings Cylindrical roller bearings Cylindrical roller bearings, double row, super-precision
Details： Cylindrical roller bearings, double row, super-precision
Update date：2026-04-16
Application:security equipment,plastic blow molding,surgical instruments,Power equipment,lathe,chuck industry,car steering pin,Machine Tool Accessories,sample cup,PVC,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving
Similar models:NNCL 4980 CV NNCF 4980 CV NNU 4980 BK/SPW33 NNC 4980 CV NNU 4980 B/SPW33
BEARING POWER International Trading Co.,Ltd. specialize in NNU4980B/SPW33 products，there is large inventory of SKF NNU 4980 B/SPW33 Cylindrical roller bearings, double row, super-precision. We has been built up long-term cooperation with SKF company, could make a bulk order of the NNU 4980 B/SPW33 Which SKF NNU4980B/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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