Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 634-2RZ

W 634-2RZ

Dimensions

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

Abutment dimensions

d_a	min.	6	mm
d_a	max.	6.6	mm
D_a	max.	14	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		50000	r/min
Calculation factor	k_r	0.035
Calculation factor	f₀	6.8

Mass

Mass bearing

0.0052

Model Number: W 634-2RZ
Inner Diameter：4mm Outer Diameter：16mm Width：5mm
Reference speed:50000 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：2026-07-29
Application:fruit and vegetable processing,small appliances,wall industry,drawing die,Technical Equipment,medical equipment,natural instruments,rehabilitation training equipment,packaging machinery,electric pump,Plastic molding
Similar models:634-RZ W 634 R-2RS1 634-2RS1 D/W ER1634-2ZS BD1B 634131 634-RS1 W 634-2RZ SAF 22634 x 6 T W 634 R-2Z PWM 556340
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Model No. Inner Diameter Outer Diameter Width Type

47x90x10 HMS5 V
6256 M
90805
NNU 4980 B/SPW33
SSAFS 22524 TLC

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Hot number： 15761 18580 28x42x7 CRW1 R 413506 55x78x12 HMSA10 RG G 7x11x2 S HK 0509 NUP 232 ECM S7006 ACB/P4A SAF 1622 T SHT 75 SILKAC 10 M SY 45 FM YAR 204-012-2RFGR/HV YAR 216-2F

Model No.	Inner Diameter	Outer Diameter	Width	Type
47x90x10 HMS5 V
6256 M
90805
NNU 4980 B/SPW33
SSAFS 22524 TLC