d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

a - 38,4 mm

r min. - 2,5 mm

r2 min. - 2 mm

da min. - 67 mm

da max - 68 mm

Da min - 94 mm

Da max. - 108 mm

Db min. - 113 mm

ra max. - 2 mm

rb max. - 2 mm

Weight - 1,59 Kg

Basic dynamic load rating (C) - 129 kN

Basic static load rating (C0) - 148 kN

(Grease) Lubrication Speed - 2900 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,73

• Model Number:30311DJR
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:medical equipment,disposable,Sensors,bathroom facilities,transportation equipment,ventilation heating equipment,air shower etc,shaft milling machine,inorganic chemical,plastic rolling,sheet industry
• Similar models:FBJ 30311D KOYO 30311CR KBC 30311J NTN 430311XU ISO 30311 NTN 4T-30311DDF CYSD 30311 ISB 30311 NTN 30311 KBC 30311DJ
• BEARING POWER International Trading Co.,Ltd. specialize in 30311DJR products，there is large inventory of KOYO 30311DJR . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 30311DJR Which KOYO 30311DJR 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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