Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 637/9-2ZS

W 637/9-2ZS

Dimensions

d		9	mm
D		14	mm
B		4.5	mm
d₂	≈	10.25	mm
D₂	≈	13.2	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	9.8	mm
d_a	max.	10.2	mm
D_a	max.	13.3	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.52	kN
Basic static load rating	C₀	0.236	kN
Fatigue load limit	P_u	0.01	kN
Reference speed		95000	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.8

Mass

Mass bearing

0.0018

Model Number: W 637/9-2ZS
Inner Diameter：9mm Outer Diameter：14mm Width：4.5mm
Reference speed:45000 r/min Limiting speed:95000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:small appliances,water protection,Roller mill,hydraulic pump,marine test,SPA equipment,Plastic Equipment,hydraulic pressure gauge,flexible processing,floor industry,wire industry
Similar models:W 637/8 XR W 637-2RS1 W 637/9 R-2Z W 637 W 637/5 XR-2ZS 6379/K-6320 W 637/5 X-2Z W 637/4 XR-2Z W 637/8-2ZS W 637-2Z
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16900	42.8752	69.85	7.95	Seals
34889	88.9	114.33	11.13	Seals
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409303	890	-	-	Seals
525737	444.5	-	-	Seals
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SAF 22326 TLC	130	-	-	Bearings, units and housings
SAF 23028 KATLC x 5	127	-	-	Bearings, units and housings
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