(dimensions in mm)

Bearing Type - straight bore

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 29.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 133,000

Static Load Rating (Cor) - 137,000

Max Speed (Grease) (X1000 RPM) - 3

Max Speed (Oil) (X1000 RPM) - 4

Weight (g) - 1,740.00

Material - 52100 Chrome steel, or equivalent

Inner ring guided, machined brass cage.

Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".

Basic Radial Load Factor "e" = 0.26

Basic Radial Load Factor "Y1" = 2.5

Basic Radial Load Factor "Y2" = 3.8

Basic Radial Load Factor "Y0" = 2.5

• Model Number:21311MB
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-12
• Application:die casting mold,storage and transportation equipment,milling head plug,Roller,Digital Generator,water protection,mobile toilet,enzyme,container finishing,Warehouse Shelf Equipment,surgical instruments
• Similar models:ISB 21311EKW33+H311 SKF 21311E NSK 21311EAKE4 FAG 21311-E1 Timken 21311VCSJ ISO 21311KW33 NSK 21311EAE4 ISB 21311 AST 21311MBW33 SNR 21311V
• BEARING POWER International Trading Co.,Ltd. specialize in 21311MB products，there is large inventory of AST 21311MB . We has been built up long-term cooperation with AST company, could make a bulk order of the 21311MB Which AST 21311MB 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.

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  NA5903	17	30	18	NTN	Needle Roller Bearings
  NJ208-E-TVP3+HJ208-E	40	80	18	NKE	Cylindrical Roller Bearings
  NUP3314	70	150	63,5	ISO	Cylindrical Roller Bearings
  P608-SB	8	22	7	ZEN	Deep Groove Ball Bearings
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  RAKY1-1/4	31.75			INA	Bearing Units
  SC25VUU	25			Samick	Linear Bearings
  TP1740	17	40	2,5	KOYO	Needle Roller Bearings
  3310B.2RSR	50	110	44.4	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  N334E	170	360	72	FAG	CYLINDRICAL ROLLER BEARINGS
  63/22	22	56	16	FAG	DEEP GROOVE BALL BEARINGS
  PA-7	.8750	2.0000	.5625	RIV	DEEP GROOVE BALL BEARINGS