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

d_a - min. - 4.6 mm

d_a - max. - 5.1 mm

D_a - max. - 8.4 mm

r_a - max. - 0.1 mm

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 bearing - 0.001 kg

• Model Number: 628/4-2Z
• Inner Diameter：9mm Outer Diameter：4mm Width：3,5mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:vacuum filter,meat products machine,safety testing,Flame Cutting,ventilation fans,Roller,ventilation equipment,plastic molding,hook,spreader series,engineering machinery
• Similar models:ZEN 62800 ZEN 628-2Z SKF 628/9-2RS1 SKF 628-2RS1 ISB 628/7-ZZ Fersa 628 ISB SS628/8-ZZ CX 6280 CRAFT 628-2RS NSK 628VV
• BEARING POWER International Trading Co.,Ltd. specialize in 628/4-2Z products，there is large inventory of SKF 628/4-2Z . 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	Brand	Type
  1638-ZZ	19,05	50,8	14,288	CYSD	Deep Groove Ball Bearings
  6213-ZZ	65	120	23	ISB	Deep Groove Ball Bearings
  719/710 AC	710	950	106	ISB	Angular Contact Ball Bearings
  71914 ACE/P4AL	100	70	16	SKF	Angular Contact Ball Bearings
  GAC45N	45	75	20	AST	Plain Bearings
  GE 080 XES	80	130	75	ISO	Plain Bearings
  HH224346/HH224310	114,3	212,725	66,675	KOYO	Tapered Roller Bearings
  NJ2316-E-M6+HJ2316-E	80	170	58	NKE	Cylindrical Roller Bearings
  NNC4868 V	340	420	80	CX	Cylindrical Roller Bearings
  NNU4928K	140	190	50	CX	Cylindrical Roller Bearings
  NUP 2219	95	170	43	ISB	Cylindrical Roller Bearings
  UCFC217	85			FYH	Bearing Units
  SM1203KB	55,5625	100	55,56	Timken	Deep Groove Ball Bearings
  UCC211	55		55,6	FYH	Bearing Units
  WOB75 ZZ	3,175	7,938	3,571	KOYO	Deep Groove Ball Bearings
  XLJ4.1/2	114,3	158,75	22,225	RHP	Deep Groove Ball Bearings
  YAR207-2RF/VE495	35	72	42,9	SKF	Deep Groove Ball Bearings
  XLS-3	3.0000	4.5000	.7500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  93418	.8750	1.2500	1.1250	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  8608NR	40	90	.9055	CONSOLIDATED	DEEP GROOVE BALL BEARINGS