Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4936 BK/SPW33

NNU 4936 BK/SPW33

Dimensions

d		180	mm
D		250	mm
B		69	mm
D₁		226.05	mm
F		202	mm
b		8.3	mm
K		3	mm
r_1,2	min.	2	mm
r_3,4	min.	1	mm
s	max.	1.1	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	190	mm
d_a	max.	199	mm
D_a	max.	240	mm
d_n		203.5	mm

Calculation data

Basic dynamic load rating	C	402	kN
Basic static load rating	C₀	850	kN
Fatigue load limit	P_u	88	kN
Attainable speed for grease lubrication		3000	r/min
Attainable speed for oil-air lubrication		3400	r/min
Reference grease quantity	G_ref	81	cm³
Static radial stiffness (guideline value)		5190	N/µm

Mass

Mass bearing

10.5

Model Number: NNU 4936 BK/SPW33
Inner Diameter：180mm Outer Diameter：250mm Width：69mm
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:Industrial Adhesive,intermediate,forming machine,Air,mechanical annex,forklift truck,rehabilitation training equipment,pressure control valve,pipe fittings Steel industry,survey accessories,Medical room equipment
Similar models:NNC 4936 CV NNU 4936 BK/SPW33 NNCL 4936 CV NNCF 4936 CV NNU 4936 B/SPW33 GB 4936
BEARING POWER International Trading Co.,Ltd. specialize in NNU4936BK/SPW33 products，there is large inventory of SKF NNU 4936 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 4936 BK/SPW33 Which SKF NNU4936BK/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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