d - 55 mm

D - 120 mm

T - 31,5 mm

B - 29 mm

C - 21 mm

a - 37 mm

Weight - 1,55 Kg

Basic dynamic load rating (C) - 121 kN

Basic static load rating (C0) - 137 kN

(Grease) Lubrication Speed - 2800 r/min

(Oil) Lubrication Speed - 3800 r/min

• Model Number: 31311 A
• Inner Diameter：55mm Outer Diameter：120mm Width：31,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:Safety protection,medical equipment,Spectrum Products,roller lathe,Reflective Materials Industrial fabrics,Pneumatic Actuator,centrifugal pump,Forging machine,construction machinery and equipment,Dental Equipment,Industrial
• Similar models:ZVL 31311A CX 31311A Timken X31311M/Y31311M FBJ 31311 ISB 31311 SKF 31311J2/QDF FAG 31311-A Timken 31311 FAG 31311-A-N11CA-A80-120 ISO 31311
• BEARING POWER International Trading Co.,Ltd. specialize in 31311A products，there is large inventory of CX 31311 A . We has been built up long-term cooperation with CX company, could make a bulk order of the 31311 A Which CX 31311A 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
  23260 EKW33+OH3260	280	540	192	ISB	Spherical Roller Bearings
  32BD45A1T12	32	55	23	NSK	Angular Contact Ball Bearings
  51413	65	140	56	NACHI	Thrust Ball Bearings
  6003LTZZ	17,000	35,000	10,000	SNR	Deep Groove Ball Bearings
  6826LLB	130,000	165,000	18,000	NTN	Deep Groove Ball Bearings
  7238DB	190	340	55	NACHI	Angular Contact Ball Bearings
  89412TN	60	130	42	SKF	Thrust Roller Bearings
  BH168	25,4	33,338	12,7	KOYO	Needle Roller Bearings
  GX 35 S	35	84	22	ISB	Plain Bearings
  H7036C/HQ1	180	280	46	AST	Angular Contact Ball Bearings
  HM89449/11	36,512	76,2	29,37	CX	Tapered Roller Bearings
  K50x55x20	50	55	20	ISO	Needle Roller Bearings
  L623I49/L623110	114,3	152,4	21,433	Timken	Tapered Roller Bearings
  NJ3856	280	350	52	CX	Cylindrical Roller Bearings
  S1603-2RS	7,937	22,225	8,731	ZEN	Deep Groove Ball Bearings
  S6004	20	42	12	ZEN	Deep Groove Ball Bearings
  SAKAC10M	10			SKF	Plain Bearings
  GS81107	37	52		INA	THRUST ROLLER BEARINGS
  NUP220E	100	180	34	SKF	CYLINDRICAL ROLLER BEARINGS
  ER-211	3.9370	55	1.1875	CONSOLIDATED	BALL BEARING