d - 55 mm

D - 120 mm

T - 63 mm

B - 29 mm

r3 min. - 2 mm

r4 min. - 2 mm

r5 min. - 0,6 mm

2B - 58 mm

Ca max. - 4 mm

da max - 68 mm

Da min - 94 mm

Da max. - 112 mm

ra max. - 2 mm

rc max. - 0,6 mm

Weight - 3,3 Kg

Basic dynamic load rating (C) - 209 kN

Basic static load rating (C0) - 275 kN

Fatigue load limit (Pu) - 33,5

Reference speed - 3000 r/min

Limiting speed - 5600 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,8

Calculation factor (Y1) - 0,81

Calculation factor (Y2) - 1,2

• Model Number: 31311J2/QDF
• Inner Diameter：55mm Outer Diameter：120mm Width：63mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Handling machinery and various industrial machinery,rubber products machinery and equipment,Roller,Pneumatic Actuator,vertical pull,Reflective Materials Industrial fabrics,sewage pump,die casting mold,sleep monitoring,joint protection,Cylinder Micro
• Similar models:FAG 31311-A NKE 31311-DF FAG 31311-A-N11CA-A80-120 ISB 31311 ISO 31311 ISB 31311J/DF Timken X31311M/Y31311M Fersa 31311F SKF 31311J2/QCL7C FBJ 31311
• BEARING POWER International Trading Co.,Ltd. specialize in 31311J2/QDF products，there is large inventory of SKF 31311J2/QDF . We has been built up long-term cooperation with SKF company, could make a bulk order of the 31311J2/QDF Which SKF 31311J2/QDF 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
  2219	95	170	43	NSK	Self-Aligning Ball Bearings
  23136RK	180	300	96	KOYO	Spherical Roller Bearings
  23956 KCW33+AH3956	280	380	75	ISO	Spherical Roller Bearings
  32BCS8MT2	32	80	23	NACHI	Deep Groove Ball Bearings
  51240	220	280	62	NACHI	Thrust Ball Bearings
  6409 NR	45	120	29	ISB	Deep Groove Ball Bearings
  7404 B-UX	20	72	38	CX	Angular Contact Ball Bearings
  AST850SM 5530	55	60		AST	Plain Bearings
  BK384818	38	48	18	ISO	Cylindrical Roller Bearings
  BR 263520	41,275	55,562	31,75	IKO	Needle Roller Bearings
  JM718149A/10	90	145	35	ISO	Tapered Roller Bearings
  KT 162217	16	22		IKO	Needle Roller Bearings
  NF2330	150	320	108	ISO	Cylindrical Roller Bearings
  SY 55 TF/VA201	60,4	55	40	SKF	Bearing Units
  I-71225	80	1.5625	18	FED	SELF
  LF-630ZZ	3	6	2.5	NMB	DEEP GROOVE BALL BEARINGS
  YET-206-103CW	1.1875	2.4409	.6299	SKF	BALL BEARINGS
  6332	160	340	68	SKF	DEEP GROOVE BALL BEARINGS
  1615-ZZ	.4375	1.1250	.3750	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  KB-70XPO	7.0000	7.6250	.3125	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS