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

NNU 4934 BK/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
r_3,4	min.	2	mm
s	max.	2	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	180	mm
d_a	max.	186	mm
D_a	max.	220	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 BK/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:Processing machinery,stacker lift platform,Roller,test strip,Performance test,Solenoid Valves,hydraulic pressure gauge,medical equipment,agricultural testing and analysis equipment and related,natural instruments,Machine Tool Accessories
Similar models:NNU 4934 BK/SPW33 GB 4934 NNCF 4934 CV NNCL 4934 CV NNC 4934 CV NNU 4934 B/SPW33
BEARING POWER International Trading Co.,Ltd. specialize in NNU4934BK/SPW33 products，there is large inventory of SKF NNU 4934 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 4934 BK/SPW33 Which SKF NNU4934BK/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
14x25x5 HMS5 V	14	25	5	Seals
185x210x13 HMSA10 V	185	210	13	Seals
65x97x7 HMS5 RG	65	97	7	Seals
707 ACD/HCP4A	7	19	6	Bearings, units and housings
798/792	127	206.375	47.625	Bearings, units and housings
80x105x10 CRW1 R	80	105	10	Seals
8795	22.225	41.25	6.35	Seals
AOHX 32/560	530	560	422	Bearings, units and housings
NATR 10 PPXA	10	30	14	Bearings, units and housings
NJ 2222 ECML	110	200	53	Bearings, units and housings
NNU 41/1400 K30M/W33	1400	2180	775	Bearings, units and housings
SSAFS 22522 x 3.11/16 T	93.6625	-	-	Bearings, units and housings

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