d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

da min. - 65 mm

Da max. - 110 mm

ra max. - 2 mm

Weight - 1,69 Kg

Basic dynamic load rating (C) - 144 kN

Basic static load rating (C0) - 165 kN

(Grease) Lubrication Speed - 3000 r/min

(Oil) Lubrication Speed - 4100 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 2,65

Calculation factor (Y1) - 2,71

Calculation factor (Y2) - 4,03

• Model Number:21311RH
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-15
• Application:lifting equipment Hoisting hoist,Digital Generator,electromagnet,Machine tool accessories,car and accessories,Broadcasting System,Industrial,wire industry,flow control valve,equipment,storage and transportation equipment
• Similar models:ISO 21311KCW33+AH311 AST 21311MB CX 21311KCW33 SKF 21311E NTN 21311 KOYO 21311RH ISO 21311W33 CX 21311CW33 CX 21311KCW33+H311 AST 21311MBKW33
• BEARING POWER International Trading Co.,Ltd. specialize in 21311RH products，there is large inventory of KOYO 21311RH . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 21311RH Which KOYO 21311RH 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
  08125/08231	31,75	58,738	14,684	CX	Tapered Roller Bearings
  24076 K30	380	560	180	ISB	Spherical Roller Bearings
  EC35093	40	68	19	NTN	Tapered Roller Bearings
  MF126	6	12	3	ISO	Deep Groove Ball Bearings
  NJ405 M	25	80	21	AST	Cylindrical Roller Bearings
  NJ413	65	160	37	FBJ	Cylindrical Roller Bearings
  NP957403/NP120839	60	107	18	Timken	Tapered Roller Bearings
  NU306-E-TVP3	30	72	19	NKE	Cylindrical Roller Bearings
  SAJK8C	8		12	AST	Plain Bearings
  SF5246PX1	260	340	38	NTN	Angular Contact Ball Bearings
  SYM 2.3/16 TF	55,563			SKF	Bearing Units
  UCTX08	40			NACHI	Bearing Units
  UKTX10	45			KOYO	Bearing Units
  MR-24-SS			1.2500	McGill	NEEDLE BEARINGS
  77309	45	100	25	New Departure	DEEP GROOVE BALL BEARINGS
  32036X	180	280	64	STEYR	TAPERED ROLLER BEARINGS
  Z99609	45	100	25	New Departure	DEEP GROOVE BALL BEARINGS
  HJ-2207	35		4	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  135x160x13mm	135	160	13	CONSOLIDATED	OIL SEALS
  TWD-4052	2.5000	3.2500		CONSOLIDATED	THRUST NEEDLE BEARINGS