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：2025-12-09
Application:sanitation facilities,E Beauty,stamping die,water,hydraulic connector,Body shaping,supporting facilities,Broadcasting System,intermediate,blood cell reagent,wall industry
Similar models:GB 4934 NNC 4934 CV NNCF 4934 CV NNCL 4934 CV NNU 4934 B/SPW33 NNU 4934 BK/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
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52447	133.35	158.75	12.7	Seals
6040 M	200	310	51	Bearings, units and housings
7211 BEGBY	55	100	21	Bearings, units and housings
9820	25.4	34.93	4.78	Seals
BT2B 331554 B/HA1	723.9	914.4	-	Bearings, units and housings
FY 17 FM	17	-	-	Bearings, units and housings
IR 45x50x35	45	50	35	Bearings, units and housings
IR 65x73x35	65	73	35	Bearings, units and housings
K 24x28x17	24	28	17	Bearings, units and housings
NATV 20	20	47	25	Bearings, units and housings
PFT 3/4 FM	19.05	-	-	Bearings, units and housings

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