Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4920 B/SPW33

NNU 4920 B/SPW33

Dimensions

d		100	mm
D		140	mm
B		40	mm
D₁		125.8	mm
F		113	mm
b		5.5	mm
K		3	mm
r_1,2	min.	1.1	mm
s	max.	1.1	mm

Abutment dimensions

d_a	min.	106	mm
d_a	max.	111	mm
d_b	min.	116	mm
D_a	max.	133.5	mm
r_a	max.	1	mm
d_n		113.8	mm

Calculation data

Basic dynamic load rating	C	128	kN
Basic static load rating	C₀	255	kN
Fatigue load limit	P_u	29	kN
Attainable speed for grease lubrication		5600	r/min
Attainable speed for oil-air lubrication		6300	r/min
Reference grease quantity	G_ref	13	cm³
Static radial stiffness (guideline value)		2950	N/µm

Mass

Mass bearing

1.9

Model Number: NNU 4920 B/SPW33
Inner Diameter：100mm Outer Diameter：140mm Width：40mm
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:Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,hydraulic cylinder buffer,instrument,sawing machine,electromagnetic clutch,hydraulic control element,Hydraulic Equipment,industrial skin care,lathe,engineering machinery,machining
Similar models:NA 4920 NNU 4920 BK/SPW33 GB 4920 NNC 4920 CV NNU 4920 B/SPW33 RNA 4920
BEARING POWER International Trading Co.,Ltd. specialize in NNU4920B/SPW33 products，there is large inventory of SKF NNU 4920 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 4920 B/SPW33 Which SKF NNU4920B/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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