d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 22 mm

a - 29,8 mm

r min. - 2,5 mm

r2 min. - 2 mm

da min. - 67 mm

da max - 70 mm

Da min - 97 mm

Da max. - 108 mm

Db min. - 112 mm

ra max. - 2 mm

rb max. - 2 mm

Weight - 1,58 Kg

Basic dynamic load rating (C) - 144 kN

Basic static load rating (C0) - 161 kN

(Grease) Lubrication Speed - 3400 r/min

(Oil) Lubrication Speed - 4500 r/min

Calculation factor (e) - 0,55

Calculation factor (Y0) - 0,6

Calculation factor (Y1) - 1,1

• Model Number: 30311CR
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-17
• Application:Other Machine Tools,Hydraulic Press,chromatography,food sterilization,other rubber,Workpiece,physical instruments,Water Monitoring,hardware,Industry,E Beauty
• Similar models:NSK HR30311J KOYO 46T30311JR/57 Timken X30311/Y30311 NTN 30311D ZVL 30311A NACHI E30311DJ NTN 30311 NTN 4T-30311 SNR 30311A NTN 4T-30311D
• BEARING POWER International Trading Co.,Ltd. specialize in 30311CR products，there is large inventory of KOYO 30311CR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30311CR Which KOYO 30311CR 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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