(dimensions in mm)

Bearing Type - straight bore

Bore Dia (d) - 60.0000

Outer Dia (D) - 130.0000

Width (B) - 31.0000

Radius (min) (rs) - 2.100

Dynamic Load Rating (Cr) - 148,000

Static Load Rating (Cor) - 152,000

Max Speed (Grease) (X1000 RPM) - 3

Max Speed (Oil) (X1000 RPM) - 4

Weight (g) - 2,160.00

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" = 0.24

Basic Radial Load Factor "Y1" = 2.9

Basic Radial Load Factor "Y2" = 4.3

Basic Radial Load Factor "Y0" = 2.8

• Model Number: 21312MB
• Inner Diameter：60mm Outer Diameter：130mm Width：31mm
• Type：Spherical Roller Bearings
• Update date：2025-11-28
• Application:hydraulic actuator,agricultural testing and analysis equipment and related,Seals,reinforced machinery,medical equipment,food packaging,aerial work platform,wheel lathe,electronic components,medical equipment,sheet industry
• Similar models:KOYO 21312RHK ISO 21312KCW33+AH312 SNR 21312V CX 21312KCW33 FAG 21312-E1-K+AHX312 ISO 21312KW33 NTN 21312 CX 21312KCW33+AH312 ISO 21312KCW33+H312 CX 21312KCW33+H312
• BEARING POWER International Trading Co.,Ltd. specialize in 21312MB products，there is large inventory of AST 21312MB . We has been built up long-term cooperation with AST company, could make a bulk order of the 21312MB Which AST 21312MB 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
  131097/131150G	97	150	75	Gamet	Tapered Roller Bearings
  200127X/200215H	127	215	110	Gamet	Tapered Roller Bearings
  23256E	280	500	176	NACHI	Cylindrical Roller Bearings
  24126 K30CW33+AH24126	130	210	80	ISO	Spherical Roller Bearings
  6004-2RSLTN9/HC5C3WT	42	20	12	SKF	Deep Groove Ball Bearings
  6218	90	160	30	NACHI	Deep Groove Ball Bearings
  FL603	3	9	3	CX	Deep Groove Ball Bearings
  NF2336	180	380	126	CX	Cylindrical Roller Bearings
  R6Z	9,525	22,225	7,142	NTN	Deep Groove Ball Bearings
  RNA 4915	85	105	30	JNS	Needle Roller Bearings
  UEL310D1	50,000	110,000	66,6	NTN	Deep Groove Ball Bearings
  UCP311-32	50,8		66	KOYO	Bearing Units
  UCP315-47	74,6125		82	KOYO	Bearing Units
  USFC203	17			SNR	Bearing Units
  BNT018	90	140	24	NTN	ANGULAR CONTACT BALL BEARINGS
  WR-31	3.5433	1.9375	1.1250	FED	BALL BEARING
  RBC31/2	1.3750	3.5000	2.0000	RBC	ROLLER CAM FOLLOWERS
  MS-12	1.2500	3.1250	.8750	FED	DEEP GROOVE BALL BEARINGS
  630SD32	630	1150	412	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  ER-52	5.9055	3.2500	1.9375	CONSOLIDATED	BALL BEARING