d - 55 mm

D - 120 mm

T - 31.5 mm

B - 29 mm

C - 21 mm

a - 38.1 mm

r1 min. - 2.5 mm

r2 min. - 2.5 mm

r3 min. - 2 mm

r4 min. - 2 mm

Weight - 1.57 Kg

Basic dynamic load rating (C) - 129 kN

Basic static load rating (C0) - 153 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 4000 r/min

Calculation factor (e) - 0.83

Calculation factor (Y) - 0.73

Calculation factor (Y0) - 0.4

• Model Number:30311DJ
• Inner Diameter：55mm Outer Diameter：120mm Width：31.5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-12
• Application:blood cell reagent,Small air generators,Pneumatic Control Valves,power protection,packing equipment,top industry,Polymer,medical equipment,Cylinder Standard,machine lathe,Forging machine
• Similar models:KOYO 46T30311DJR/49 CRAFT 30311 NTN 4T-30311DDF NTN 4T-30311 KOYO 30311JR NACHI E30311J KBC 30311DJ CYSD 30311 NTN 30311 KOYO 30311DJR
• BEARING POWER International Trading Co.,Ltd. specialize in 30311DJ products，there is large inventory of KBC 30311DJ . We has been built up long-term cooperation with KBC company, could make a bulk order of the 30311DJ Which KBC 30311DJ 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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  XLJ 6	152,4	203,2	25,4	SIGMA	Deep Groove Ball Bearings
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  304HDL	20	52	15	Barden	ANGULAR CONTACT BALL BEARINGS
  SAF640	7.1875			SKF	PILLOW BLOCKS
  NF220E	100	180	34	STEYR	CYLINDRICAL ROLLER BEARINGS
  SS604-ZZ	4	12	4	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  22372	360	750	224	CONSOLIDATED	SPHERICAL ROLLER BEARINGS