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：2025-12-12
• Application:other processing,X-ray Equipment,Machine tools,Tool,Vertical machining,Storage Tool,organic raw materials,embroidery cloth,molding machine,water protection,product accessories
• Similar models:KBC 30311J CX 30311A NTN 430311XU ISB 30311 FBJ 30311 NTN 30311D NTN 4T-30311DDF KOYO 30311JR CRAFT 30311 SKF 30311J2/Q
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  23228 KCW33	140	250	88	CX	Spherical Roller Bearings
  234938	190	260	42	ISB	Thrust Ball Bearings
  32936	180	250	45	ISO	Tapered Roller Bearings
  B3228	50,8	60,325	44,45	KOYO	Needle Roller Bearings
  455/453	50,8	107,95	27,795	Timken	Tapered Roller Bearings
  4R12001	600,000	870,000	640,000	NTN	Cylindrical Roller Bearings
  6206-2RS	30	62	16	Fersa	Deep Groove Ball Bearings
  6912-RZ	60	85	13	CYSD	Deep Groove Ball Bearings
  7912UCG/GNP42	60	85	13	NTN	Angular Contact Ball Bearings
  7936AC	180	280	46	AST	Angular Contact Ball Bearings
  K81222TN	110	160		NBS	Thrust Roller Bearings
  MRJ10.1/2	266,7	495,3	88,9	RHP	Cylindrical Roller Bearings
  NNU6013 V	65	100	63	CX	Cylindrical Roller Bearings
  51407				FAG	THRUST BALL BEARINGS
  S71924CDGAP4A	120	165	22	SKF	ANGULAR CONTACT BALL BEARINGS
  BU1213L	65	120	23	Hyatt	CYLINDRICAL ROLLER BEARINGS
  D-219-48	95	170	3.0000	Rollway	CYLINDRICAL ROLLER BEARINGS
  32309	45	100	36	STEYR	TAPERED ROLLER BEARINGS
  20228	140	250	42	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  AH-2352x240	260	240		CONSOLIDATED	WITHDRAWAL SLEEVES