Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 637/8-2ZS

W 637/8-2ZS

Dimensions

d		8	mm
D		12	mm
B		3.5	mm
d₁	≈	9.05	mm
D₂	≈	11.33	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	8.8	mm
d_a	max.	9	mm
D_a	max.	11.5	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.312	kN
Basic static load rating	C₀	0.14	kN
Fatigue load limit	P_u	0.006	kN
Reference speed		100000	r/min
Limiting speed		50000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	8.2

Mass

Mass bearing

0.001

Model Number: W 637/8-2ZS
Inner Diameter：8mm Outer Diameter：12mm Width：3.5mm
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：2026-06-24
Application:noise reduction equipment,Air,chromatography,Warehouse Shelf Equipment,security,Broadcasting System,beverage production,other processing,X-ray Equipment,sheet industry,spreader series
Similar models:W 637-2RZ W 637-2Z W 637/9 R-2Z W 637/5 XR-2ZS W 637/8 X W 637/4 X-2Z W 637/8 XR W 637/4 X W 637/9-2ZS W 637/8-2ZS
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Model No. Inner Diameter Outer Diameter Width Type

BT4-8125 E1/C725
PCZ 6460 M
PRMF 455030
S71913 CB/P4A
SNL 526

Purchase the SKF W 637/8-2ZS Please fill in the following

Hot number： 314518 B 31317T133.19/DB 528272 FYR 1 7/16-18 FYRP 3 1/2 KM 12 LS 110145 NCF 29/950 V SAF 1511 x 1.13/16 SAW 23524 x 4 TLC SYK 25 TR W 61902 R-2RZ W 61918-2RS1 WS 81226 YSA 213-2FK + HA 2313

Model No.	Inner Diameter	Outer Diameter	Width	Type
BT4-8125 E1/C725
PCZ 6460 M
PRMF 455030
S71913 CB/P4A
SNL 526