d - 28 mm

D - 68 mm

T - 19,75 mm

B - 18 mm

C - 16 mm

a - 14,9 mm

r min. - 1,5 mm

r2 min. - 1,5 mm

da min. - 36,5 mm

da max - 38 mm

Da min - 58 mm

Da max. - 59,5 mm

Db min. - 63 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,345 Kg

Basic dynamic load rating (C) - 53,5 kN

Basic static load rating (C0) - 54 kN

(Grease) Lubrication Speed - 6100 r/min

(Oil) Lubrication Speed - 8200 r/min

Calculation factor (e) - 0,32

Calculation factor (Y0) - 1,04

Calculation factor (Y1) - 1,88

• Model Number: 303/28R
• Inner Diameter：28mm Outer Diameter：68mm Width：19,75mm
• Type：Tapered Roller Bearings
• Update date：2025-12-10
• Application:bag machine,sheet industry,tray industry,pressure control valve,Cylinder Type,Processing machinery,auto tools,Hydraulic Equipment,Flame Cutting,hanging clamp,sheet industry
• Similar models:NTN 4T-430306DX KOYO 46T30316JR/73 Timken 30310 KOYO 46T30311JR/57 KOYO 30314DJR KOYO 46T30309JR/49,5 SNR 30310A KOYO 30328JR KOYO 30344 NTN 4T-30311D
• BEARING POWER International Trading Co.,Ltd. specialize in 303/28R products，there is large inventory of KOYO 303/28R . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 303/28R Which KOYO 303/28R 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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