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 K
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-09
• Application:metal mold,Insect Capture,food add,Spectral Products,teaching equipment,Industrial,intermediate,security equipment,impression material,surgical instruments,fabric products
• Similar models:ISB 21311EKW33+H311 FAG 21311-E1-K+AHX311 AST 21311MB AST 21311MBW33 FAG 21311-E1-K+H311 ISO 21311KW33 CX 21311KCW33 SNR 21311VK FAG 21311-E1-K Timken 21311VCSJ
• BEARING POWER International Trading Co.,Ltd. specialize in 21311K products，there is large inventory of ISB 21311 K . We has been built up long-term cooperation with ISB company, could make a bulk order of the 21311 K Which ISB 21311K 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
  3203-ZZ	17	40	17,5	ISB	Angular Contact Ball Bearings
  430240	200	360	142	NTN	Tapered Roller Bearings
  54226X	130	190	85,8	NSK	Thrust Ball Bearings
  71903 CDF	17	30	14	ISO	Angular Contact Ball Bearings
  HR70KBE43+L	70	150	83	NSK	Tapered Roller Bearings
  K60X68X23	60	68	23	FBJ	Needle Roller Bearings
  LL428349/10	139,7	180,975	21,433	CX	Tapered Roller Bearings
  NF19/600	600	800	90	ISO	Cylindrical Roller Bearings
  NK68/35	68	82	35	ISO	Needle Roller Bearings
  NN3008K	40	61	21	NACHI	Cylindrical Roller Bearings
  NTH-4270	66,73	109,6	9,53	KOYO	Thrust Roller Bearings
  NUP3224	120	215	76	CX	Cylindrical Roller Bearings
  TCJ55	55			INA	Bearing Units
  W309PP	45	100	39,67	Timken	Deep Groove Ball Bearings
  ZKLDF460	460	600	70	INA	Angular Contact Ball Bearings
  81215			11.0	FAG	THRUST ROLLER BEARINGS
  6211ZNR	55	100	21	FAG	DEEP GROOVE BALL BEARINGS
  3905	52	25		INA	THRUST BALL BEARINGS
  SAF056	10.0000			Torrington	PILLOW BLOCKS
  61906-2RS	30	47	9	CONSOLIDATED	DEEP GROOVE BALL BEARINGS