d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

K - 3 mm

Weight - 1,7 Kg

Basic dynamic load rating (C) - 153 kN

Basic static load rating (C0) - 163 kN

(Grease) Lubrication Speed - 5737,5 r/min

(Oil) Lubrication Speed - 6750 r/min

• Model Number: 21311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-15
• Application:tube,textile machinery,ultra-quiet generators,relay,food / grain / food equipment,natural instruments,tooth filling,position switch,dye pigments,spreader series,coal
• Similar models:FAG 21311-E1 ISO 21311W33 SKF 21311E ISO 21311KW33 NTN 21311 ISO 21311KCW33+H311 CX 21311KCW33+H311 ISB 21311EKW33+H311 NTN 21311K NSK 21311EAE4
• BEARING POWER International Trading Co.,Ltd. specialize in 21311 products，there is large inventory of ISB 21311 . We has been built up long-term cooperation with ISB company, could make a bulk order of the 21311 Which ISB 21311 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
  230/630 EKW33+OH30/630	600	920	212	ISB	Spherical Roller Bearings
  AST090 18060	180	185		AST	Plain Bearings
  52320	85	170	97	NKE	Thrust Ball Bearings
  6201UU	12	32	10	KBC	Deep Groove Ball Bearings
  628	8	24	8	CRAFT	Deep Groove Ball Bearings
  71918 CDB	90	125	36	ISO	Angular Contact Ball Bearings
  7219 A	95	170	32	ISO	Angular Contact Ball Bearings
  E-CR-11220	560	736	104,775	NTN	Tapered Roller Bearings
  EST205	25			SNR	Bearing Units
  KCA040	101,6	120,65	9,525	KOYO	Angular Contact Ball Bearings
  MKM3820	38	48	20	KOYO	Needle Roller Bearings
  SU002S6	15	32	16,5	KOYO	Deep Groove Ball Bearings
  SYNT 100 FW	100	120	86	SKF	Bearing Units
  313KDD	65	140	33	FAF	DEEP GROOVE BALL BEARINGS
  TAFI91916	9	19	16	IKO	NEEDLE BEARINGS
  HCB7014C.T.P4S	70	110	20	FAG	ANGULAR CONTACT BALL BEARINGS
  K-25x35x30	25	35	30	CONSOLIDATED	NEEDLE BEARINGS
  HML-52T			30	CONSOLIDATED	WITHDRAWAL NUTS
  KG-55XPO	5.5000	7.5000	1.0000	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  CRSBR-96	2.5000	6.0000	3.2500	CONSOLIDATED	ROLLER CAM FOLLOWERS