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：2025-12-12
• Application:altimeter etc,baler,steam Hydraulic control element,plastic rolling,storage and transportation equipment,car,Hydraulic Rama,large agricultural machinery,Industrial,wall industry,Other machinery
• Similar models:ZEN 628-2RS FBJ 1628-2RS SKF E2.628-2Z ISO 628 KOYO SE628ZZSTMSA7 CX 628/6ZZ SKF W628/9-2Z SKF W628/7-2RZ SKF 628/7-2Z SKF BB1B362805
• 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.

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