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：2025-12-09
Application:floor industry,historical instruments,Dental Equipment,large agricultural machinery,air purification,,electric pump,E Beauty,die casting mold,agricultural testing and analysis equipment and related,pneumatic Pump
Similar models:NNU 4980 BK/SPW33 NNC 4980 CV NNU 4980 B/SPW33 NNCF 4980 CV NNCL 4980 CV
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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
20x32x6 HMSA10 V	20	32	6	Seals
27292	69.85	89.99	11.13	Seals
52230 M	130	215	89	Bearings, units and housings
525032	731.8502	-	-	Seals
6210/HR22T2	50	90	20	Bearings, units and housings
71918 CD/P4A	90	125	18	Bearings, units and housings
C 2206 V	30	62	20	Bearings, units and housings
G 22x30x4	22	30	4	Seals
HN 4525	45	52	25	Bearings, units and housings
S71912 CB/P4A	60	85	13	Bearings, units and housings
SAF 1611 x 2	50.8	-	-	Bearings, units and housings
SAKB 8 F	8	-	12	Bearings, units and housings

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