Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4952 BK/SPW33

NNU 4952 BK/SPW33

Dimensions

d		260	mm
D		360	mm
B		100	mm
D₁		325.6	mm
F		292	mm
b		13.9	mm
K		3	mm
r_1,2	min.	2.1	mm
r_3,4	min.	1.1	mm
s	max.	4.5	mm

Tapered bore, taper 1:12

Abutment dimensions

d_a	min.	271	mm
d_a	max.	288	mm
D_a	max.	349	mm
d_n		294.5	mm

Calculation data

Basic dynamic load rating	C	748	kN
Basic static load rating	C₀	1700	kN
Fatigue load limit	P_u	163	kN
Attainable speed for grease lubrication		2000	r/min
Attainable speed for oil-air lubrication		2400	r/min
Reference grease quantity	G_ref	366	cm³
Static radial stiffness (guideline value)		6830	N/µm

Mass

Mass bearing

30.5

Model Number: NNU 4952 BK/SPW33
Inner Diameter：260mm Outer Diameter：360mm Width：100mm
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:Industry,Hydraulic Rama,electrocardiograph,Cylinder Micro,Logistics Equipment,reducer,Pneumatic Control Valves,engineering machinery,Oral Image,coal,scientific instruments
Similar models:NNU 4952 B/SPW33 GB 4952 NNC 4952 CV NNCL 4952 CV NNU 4952 BK/SPW33
BEARING POWER International Trading Co.,Ltd. specialize in NNU4952BK/SPW33 products，there is large inventory of SKF NNU 4952 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 4952 BK/SPW33 Which SKF NNU4952BK/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
46x65x10 HMS5 V	46	65	10	Seals
57519	146.05	174.65	14.3	Seals
7089	18.0086	34.011	8.001	Seals
7205 BECBM	25	52	15	Bearings, units and housings
86000	-	-	57.15	Seals
91317	-	-	18	Seals
BB1B 362692	540	625	40	Bearings, units and housings
HA 2320	87.3125	130	97	Bearings, units and housings
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PSM 182230 A51	18	22	30	Bearings, units and housings
SAF 22528 T	125.4125	-	-	Bearings, units and housings
YET 206-103	30.163	62	23.8	Bearings, units and housings

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