Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 628/8 R-2Z

W 628/8 R-2Z

Dimensions

d		8	mm
D		16	mm
B		5	mm
d₂	≈	9.65	mm
D₂	≈	14.2	mm
D₃		18	mm
C		1.1	mm
r_1,2	min.	0.2	mm

Abutment dimensions

d_a	min.	9.5	mm
d_a	max.	9.6	mm
r_a	max.	0.2	mm

Calculation data

Basic dynamic load rating	C	0.715	kN
Basic static load rating	C₀	0.3	kN
Fatigue load limit	P_u	0.012	kN
Reference speed		90000	r/min
Limiting speed		45000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	7.5

Mass

Mass bearing

0.0043

Model Number: W 628/8 R-2Z
Inner Diameter：8mm Outer Diameter：16mm Width：5mm
Reference speed:45000 r/min Limiting speed:90000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2025-12-09
Application:packaging machinery,Security Equipment,car instrument,labor insurance,forklift truck,Other machinery,office outdoor camping equipment,heating fans,Traffic Fire Protection Equipment Security equipment,sample cup,Hydraulic Hose
Similar models:W 628/7-2RZ W 628/9-2Z 628-2Z W 628/8-2RS1 SAF 22628 x 4.13/16 T W 628/6 R-2Z W 628/5-2RS1 SAF 22628 TLC W 628/9-2RZ 16150/16283
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Model No.	Inner Diameter	Outer Diameter	Width	Type
16743	42.8752	63.55	7.14	Seals
190x225x15 HMSA10 V	190	225	15	Seals
21061	53.975	69.85	12.7	Seals
38673	98.425	123.85	11.13	Seals
71912 ACB/HCP4AL	60	85	13	Bearings, units and housings
71915 CB/P4AL	75	105	16	Bearings, units and housings
7324 BGAM	120	260	55	Bearings, units and housings
M 349547/510	255.6	342.9	57.15	Bearings, units and housings
PCM 121412 M	12	14	12	Bearings, units and housings
PSM 556540 A51	55	65	40	Bearings, units and housings
S71914 CE/HCP4A	70	100	16	Bearings, units and housings
SNL 3236 G	180	-	-	Bearings, units and housings

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Hot number： 2209 ETN9 2307 ETN9 23666 265x310x16 HDS1 R 26x38x5 HMS5 RG 30218/DF 32213 32938 331190 375 VL V 401802 FY 65 TR NU 29/630 ECMA/HB1 NNCF 4912 CV SSAFS 22536 x 6.5/16 T