Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 628/4-2Z

628/4-2Z

Dimensions

d		4	mm
D		9	mm
B		3.5	mm
d₁	≈	5.2	mm
D₂	≈	8.1	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.6	mm
d_a	max.	5.1	mm
D_a	max.	8.4	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.54	kN
Basic static load rating	C₀	0.18	kN
Fatigue load limit	P_u	0.07	kN
Reference speed		140000	r/min
Limiting speed		70000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	10

Mass

Mass bearing

0.001

Model Number: 628/4-2Z
Inner Diameter：4mm Outer Diameter：9mm Width：3.5mm
Reference speed:70000 r/min Limiting speed:140000 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:agrochemical,Air,dye pigments,Hydraulic Rama,pneumatic Pump,pump accessories,food / grain / food equipment,small appliances,Hydraulic Couplings,ship special,atomizer class
Similar models:W 628/8-2RS1 SAF 22628 x 5 T 628/8-2RS1 W 628/5-2Z W 628/5-2RZ W 628/7 R-2RS1 W 628/9-2Z SAF 22628 x 4.7/8 TLC W 628/9-2RS1 628-2RZ
BEARING POWER International Trading Co.,Ltd. specialize in 628/4-2Z products，there is large inventory of SKF 628/4-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 628/4-2Z Which SKF 628/4-2Z is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express. Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

Model No.	Inner Diameter	Outer Diameter	Width	Type
23068 CC/W33	340	520	133	Bearings, units and housings
37330	95.25	114.33	11.91	Seals
50x80x10 HMS5 RG	50	80	10	Seals
6003-2RSH	17	35	10	Bearings, units and housings
6005-2Z/VA208	25	47	12	Bearings, units and housings
628/7-2Z	7	14	5	Bearings, units and housings
NNU 41/710 K30M/W33	710	1150	438	Bearings, units and housings
S71910 CB/HCP4A	50	72	12	Bearings, units and housings
SAW 23524 x 4.1/8 TLC	104.775	-	-	Bearings, units and housings
SSAFS 22240 TLC	200	-	-	Bearings, units and housings
WBB1-8708-2RS1	8	14	4	Bearings, units and housings
W 61800-2RS1	10	19	5	Bearings, units and housings

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Hot number： 1318 K 16007/HR22Q2 20x40x7 HMS5 V 20x52x7 HMS5 RG 22x45x7 HMS5 RG 470566 6320-RS1 7016 CB/HCP4AL 7030 ACD/HCP4AL 99118 FYJ 80 TF NU 29/1180 ECMA/HA1 NU 207 ECJ SAFS 23024 KA x 4.1/4 SE 209