Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 634 R

W 634 R

Dimensions

d		4	mm
D		16	mm
B		5	mm
d₂	≈	6.7	mm
D₂	≈	13	mm
D₃		18	mm
C		1	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	6	mm
d_a	max.	6.6	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	0.761	kN
Basic static load rating	C₀	0.265	kN
Fatigue load limit	P_u	0.011	kN
Reference speed		100000	r/min
Limiting speed		63000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	6.8

Mass

Mass bearing

0.0052

Model Number: W 634 R
Inner Diameter：4mm Outer Diameter：16mm Width：5mm
Reference speed:63000 r/min Limiting speed:100000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-28
Application:ventilation equipment,fabric products,vacuum suction cup,Material handling equipment,electric hydraulic lifting platform,Medical printer,electromagnetic clutch,hydraulic cylinder buffer,Roller mill,sucker industry,Hydraulic Press
Similar models:W 634 SAF 22634 x 6 TLC SAF 22634 x 6 T EE 763330/763410 SAF 22634 x 5.13/16 T W 634 R-2Z 634-2RZ W 634 R SAF 22634 x 5.7/8 BD1B 634132
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Model No. Inner Diameter Outer Diameter Width Type

331291 B
400254
596399
H 3126
LR 20x25x26.5

Purchase the SKF W 634 R Please fill in the following

Hot number： 15578/15520 33213 45x72x8 HMSA10 RG 7204 BECBY D/W RW144 R-2Z NK 85/35 PCM 13514080 E PCM 161815 M PCZ 0912 E SAFS 23056 KAT x 10.7/16 RN-5x19.8 BF/G2 SAF 1516 x 2.3/4 TLC SSAFS 23040 KA x 7.1/4 SYK 30 WD SYNT 70 FTS

Model No.	Inner Diameter	Outer Diameter	Width	Type
331291 B
400254
596399
H 3126
LR 20x25x26.5