d - 28 mm

D - 68 mm

T - 19,75 mm

B - 18 mm

C - 15 mm

a - 14,5 mm

r min. - 1,5 mm

r1 min. - 1,5 mm

da min. - 39 mm

Da min - 58 mm

Da max. - 59 mm

db max. - 37 mm

Db min. - 61 mm

ra max. - 1,5 mm

rb max. - 1,5 mm

Weight - 0,341 Kg

Basic dynamic load rating (C) - 55 kN

Basic static load rating (C0) - 55,5 kN

(Grease) Lubrication Speed - 6000 r/min

(Oil) Lubrication Speed - 8000 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,1

Calculation factor (Y1) - 1,9

• Model Number: HR303/28
• Inner Diameter：28mm Outer Diameter：68mm Width：19,75mm
• Type：Tapered Roller Bearings
• Update date：2025-12-14
• Application:coal,gas turbine,Optical Instruments,metallurgical mold,Film machine,food testing,chamfer,hydraulic cylinder buffer,Hydraulic Hose,Anesthetic Equipment,sterilizers
• Similar models:ISB 30322 KBC 30308J CRAFT 30316 KBC 30314J KOYO 30308DJR ISB 30309 CX 30312A KOYO 30332JR CYSD 30316 Fersa 30308F
• BEARING POWER International Trading Co.,Ltd. specialize in HR303/28 products，there is large inventory of NSK HR303/28 . We has been built up long-term cooperation with NSK company, could make a bulk order of the HR303/28 Which NSK HR303/28 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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