d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 25 mm

a - 24 mm

d1 - 84 mm

r1 min. - 2,5 mm

r2 min. - 2,5 mm

r3 min. - 2 mm

r4 min. - 2 mm

Ca min. - 4 mm

Cb min. - 6,5 mm

da max - 71 mm

Da min - 104 mm

Da max. - 110 mm

db min - 65 mm

Db min. - 111 mm

ra max. - 2,5 mm

rb max. - 2 mm

Weight - 1,55 Kg

Basic dynamic load rating (C) - 166 kN

Basic static load rating (C0) - 163 kN

Fatigue load limit (Pu) - 19,3

Reference speed - 4800 r/min

Limiting speed - 5600 r/min

Calculation factor (e) - 0,35

Calculation factor (Y) - 1,7

Calculation factor (Y0) - 0,9

• Model Number: 30311J2/Q
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:storage shelves,Medical printer,welding equipment,Spectrum Products,Vacuum generator,motor,Power equipment,PVC,Handling machinery and various industrial machinery,rehabilitation training equipment,agrochemical
• Similar models:NACHI E30311J FBJ 30311D NTN 4T-30311DDF NTN 430311XU NTN 30311 NSK HR30311DJ Fersa 30311F NACHI E30311DJ KBC 30311DJ ZVL 30311A
• BEARING POWER International Trading Co.,Ltd. specialize in 30311J2/Q products，there is large inventory of SKF 30311J2/Q . We has been built up long-term cooperation with SKF company, could make a bulk order of the 30311J2/Q Which SKF 30311J2/Q 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
  28150/28315	38,1	80	21,006	CX	Tapered Roller Bearings
  30306-A	30	72	20,75	FAG	Tapered Roller Bearings
  EXPE210	50			SNR	Bearing Units
  GNE90-KRR-B	90	190	101	INA	Deep Groove Ball Bearings
  N1016RXTP	80	113	22	NSK	Cylindrical Roller Bearings
  NJ2226-E-MPA	130	230	64	NKE	Cylindrical Roller Bearings
  NN3008MBKR	40	61	21	NSK	Cylindrical Roller Bearings
  NNU4920K	100	140	40	CX	Cylindrical Roller Bearings
  R5213V	260,000	360,000	60,000	NTN	Cylindrical Roller Bearings
  RN2214-E-MPBX	70	113,5	31	FAG	Cylindrical Roller Bearings
  NJ420	100	250	58	FAG	CYLINDRICAL ROLLER BEARINGS
  NANFL201-8	.5000			IPTCI	PILLOW BLOCKS
  CSCB025	2.5000	3.1250	.3125	INA	DEEP GROOVE BALL BEARINGS
  LLRJN70	70	125	24	R&M	CYLINDRICAL ROLLER BEARINGS
  NK60/25	72		25	INA	NEEDLE BEARINGS
  ML330	150	320	65	Rollway	CYLINDRICAL ROLLER BEARINGS
  77315	75	160	37	New Departure	DEEP GROOVE BALL BEARINGS
  YCRSR-52	1.0000	3.2500	1.8125	CONSOLIDATED	YOKE TYPE TRACK ROLLER
  SS61710-2RS	50	62	6	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  TT-919	9.5000	19.5000		CONSOLIDATED	TAPERED ROLLER THRUST BEARINGS