d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

Angle (α) - 25 °

a - 40,2 mm

Weight - 1,57 Kg

Basic dynamic load rating (C) - 80,9 kN

Basic static load rating (C0) - 56,5 kN

(Grease) Lubrication Speed - 6700 r/min

(Oil) Lubrication Speed - 8400 r/min

• Model Number: 7311 A
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Angular Contact Ball Bearings
• Update date：2025-12-10
• Application:internal combustion engine,surgical instruments,crimping tools,medical Equipment,small diesel generators,sawing machine,non-motor vehicle Electric car,Forming mold,Ball screw,Optical detection,Equipment
• Similar models:CX 7311C-UO NTN 7311BDT CX 7311A-UX NTN 7311DF NKE 7311-BECB-MP ISO 7311B CRAFT 7311C NTN 7311BG NTN 7311DB NACHI 7311
• BEARING POWER International Trading Co.,Ltd. specialize in 7311A products，there is large inventory of CX 7311 A . We has been built up long-term cooperation with CX company, could make a bulk order of the 7311 A Which CX 7311A 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
  2212 KTN9+H312	55	110	28	ISB	Self-Aligning Ball Bearings
  6084 M	620	420	90	SKF	Deep Groove Ball Bearings
  6217-Z	85	150	28	NKE	Deep Groove Ball Bearings
  7012DT	60	95	18	NACHI	Angular Contact Ball Bearings
  7030 CTBP4	150	225	35	CX	Angular Contact Ball Bearings
  ARZ 22 55 106	55	106	22	Timken	Needle Roller Bearings
  C3184M	420	700	224	SKF	Cylindrical Roller Bearings
  F-580801.1	21,65	40	9,2	INA	Angular Contact Ball Bearings
  GE 30 ES	30	47	22	SIGMA	Plain Bearings
  NK29/30	29	38	30	KOYO	Needle Roller Bearings
  NKIA 5908	40	62	30	NBS	Complex Bearings
  PW40740036CS	40	74	36	PFI	Angular Contact Ball Bearings
  H3130.504	150	195		FAG	ADAPTERS
  BE20	20	55	16	INA	RADIAL INSERT BALL BEARING
  XLS-5	5.0000	7.0000	1.0000	FED	DEEP GROOVE BALL BEARINGS
  CYR-7/8-S	.2500	.8750	.5625	McGill	NEEDLE BEARINGS
  RA-104-BTT	1.2500	2.8346	.6693	MRC	BALL BEARINGS
  316-SG	80	170	39	MRC	DEEP GROOVE BALL BEARINGS
  6218NR	90	160	30	STEYR	DEEP GROOVE BALL BEARINGS
  51338				CONSOLIDATED	THRUST BALL BEARINGS