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

NNU 4980 BK/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
r_3,4	min.	2.5	mm
s	max.	5.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	415	mm
d_a	max.	441	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

87.5

Model Number: NNU 4980 BK/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：2021-06-04
Application:hydraulic cylinder buffer,injection molding machine,heating fans,screen filter,industrial equipment,internal combustion engine,sleep monitoring,experimental equipment,raw material accessories,preservation equipment,respirator
Similar models:NNU 4980 B/SPW33 NNC 4980 CV NNCF 4980 CV NNU 4980 BK/SPW33 NNCL 4980 CV
BEARING POWER International Trading Co.,Ltd. specialize in NNU4980BK/SPW33 products，there is large inventory of SKF NNU 4980 BK/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 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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