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：2025-12-09
Application:Individual Wire,pipe fittings Steel industry,vertical sawing machine,ultra-quiet generators,embroidery cloth,non-motor vehicle Electric car,security,reducer,X-ray Equipment,ventilator anesthesia machine etc,electronic materials
Similar models:NNCL 4934 CV NNU 4934 BK/SPW33 GB 4934 NNCF 4934 CV NNU 4934 B/SPW33 NNC 4934 CV
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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
250x280x15 HS8 R	250	280	15	Seals
48x72x10 HMS5 RG	48	72	10	Seals
6413 N	65	160	37	Bearings, units and housings
65 VA V	58	-	-	Seals
71917 ACB/HCP4A	85	120	18	Bearings, units and housings
90056	229.8192	270	15.88	Seals
C 2217 K	85	150	36	Bearings, units and housings
GRA 3016	80	105	34	Bearings, units and housings
NKIB 59/22	22	39	23	Bearings, units and housings
PCM 707570 M	70	75	70	Bearings, units and housings
W 60/1.5 R	1.5	6	2.5	Bearings, units and housings
WS 81124	120		7	Bearings, units and housings

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