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：2026-06-25
Application:multi-knife lathe,climb ladder,sanitation facilities,instrumentation instrument,agrochemical,gantry processing,auto tools,Beauty and Body,Automation,knitted fabrics,electromagnet
Similar models:W 628/6 R-2RZ W 628/7 R-2RS1 SAF 22628 x 4.13/16 628/8-2Z W 628/6 R-2Z 628/9-2Z 628 W 628/9 R-2RS1 SAF 22628 x 4.13/16 T W 628-2Z
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Model No. Inner Diameter Outer Diameter Width Type

BD-22256 CCK/W33-AOH 2256 G
320 VE R
719/8 CE/HCP4A
NJ 2317 ECP
SAF 22630 T

Purchase the SKF W 628/8 R-2Z Please fill in the following

Hot number： 12407 18425 2315 KM 23224 CC/W33 365 VE R 50x85x13 CRSH1 R 530x576x21 HS8 R 61910-2RZ FSAF 22317 TLC K 81212 TN KM 9 NA 49/32 NA 4926 NKI 38/20 SNP 3196x18

Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-22256 CCK/W33-AOH 2256 G
320 VE R
719/8 CE/HCP4A
NJ 2317 ECP
SAF 22630 T