d - 55 mm

D - 120 mm

T - 31.5 mm

B - 29 mm

C - 25 mm

a - 25.1 mm

r1 min. - 2.5 mm

r2 min. - 2.5 mm

r3 min. - 2 mm

r4 min. - 2 mm

Weight - 1.62 Kg

Basic dynamic load rating (C) - 146 kN

Basic static load rating (C0) - 170 kN

(Grease) Lubrication Speed - 3200 r/min

(Oil) Lubrication Speed - 4300 r/min

Calculation factor (e) - 0.35

Calculation factor (Y) - 1.7

Calculation factor (Y0) - 0.96

• Model Number: 30311J
• Inner Diameter：55mm Outer Diameter：120mm Width：31.5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:animal,luminescent reagent,lifting chain,gantry processing,PVC,enzyme,food packaging,natural instruments,office outdoor camping equipment,Special Equipment,tray industry
• Similar models:KOYO 30311DJR KOYO 30311JR NTN 4T-30311DDF FBJ 30311D CX 30311A NTN 30311D ZVL 30311A CYSD 30311 CRAFT 30311 NTN 4T-30311D
• BEARING POWER International Trading Co.,Ltd. specialize in 30311J products，there is large inventory of KBC 30311J . We has been built up long-term cooperation with KBC company, could make a bulk order of the 30311J Which KBC 30311J 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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