Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4934 B/SPW33

NNU 4934 B/SPW33

Dimensions

d		170	mm
D		230	mm
B		60	mm
D₁		210.9	mm
F		188.5	mm
b		5.5	mm
K		3	mm
r_1,2	min.	2	mm
s	max.	2	mm

Abutment dimensions

d_a	min.	180	mm
d_a	max.	186	mm
d_b	min.	192	mm
D_a	max.	220	mm
r_a	max.	2	mm
d_n		189.8	mm

Calculation data

Basic dynamic load rating	C	336	kN
Basic static load rating	C₀	695	kN
Fatigue load limit	P_u	73.5	kN
Attainable speed for grease lubrication		3400	r/min
Attainable speed for oil-air lubrication		3800	r/min
Reference grease quantity	G_ref	72	cm³
Static radial stiffness (guideline value)		4460	N/µm

Mass

Mass bearing

6.95

Model Number: NNU 4934 B/SPW33
Inner Diameter：170mm Outer Diameter：230mm Width：60mm
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:other mold,Cylinder Special,gear grinding machine,casting embedding,relay,horizontal processing,Machine tool accessories,Ball screw,electronic materials,cleaning agent,knitted fabrics
Similar models:NNCL 4934 CV NNU 4934 BK/SPW33 NNU 4934 B/SPW33 NNC 4934 CV NNCF 4934 CV GB 4934
BEARING POWER International Trading Co.,Ltd. specialize in NNU4934B/SPW33 products，there is large inventory of SKF NNU 4934 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 4934 B/SPW33 Which SKF NNU4934B/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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Hot number： 214-ZNR 22310 EK 32936/DF 404503 6206-Z 91318 BT4B 332961/HA1 FYTJ 508 NNCF 5004 CV NU 1013 ECPH PCMW 264401.5 E RNAO 8x15x10 TN S71917 CB/P4A YAR 205-014-2F YEL 206-103-2F