(dimensions in mm)

Bearing Type - straight bore

Bore Dia (d) - 40.0000

Outer Dia (D) - 90.0000

Width (B) - 23.0000

Radius (min) (rs) - 1.500

Dynamic Load Rating (Cr) - 74,000

Static Load Rating (Cor) - 69,500

Max Speed (Grease) (X1000 RPM) - 5

Max Speed (Oil) (X1000 RPM) - 6

Weight (g) - 780.00

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" = 2.6

Basic Radial Load Factor "Y2" = 3.9

Basic Radial Load Factor "Y0" = 2.6

• Model Number: 21308MB
• Inner Diameter：40mm Outer Diameter：90mm Width：23mm
• Type：Spherical Roller Bearings
• Update date：2025-12-11
• Application:Logistics Equipment,Workpiece,gear type,glass,labor insurance,building decoration raw materials and accessories,Switch,Vacuum generator,Pneumatic Control Elements,impression material,small diesel generators
• Similar models:NSK 21308L11ACAM ISO 21308KCW33+H308 AST 21308MBK FAG 21308-E1-K+H308 AST 21308MB ISB 21308 ISB 21308K SNR 21308V ISO 21308KW33 KOYO 21308RH
• BEARING POWER International Trading Co.,Ltd. specialize in 21308MB products，there is large inventory of AST 21308MB . We has been built up long-term cooperation with AST company, could make a bulk order of the 21308MB Which AST 21308MB 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
  133076X/133136XH	76,2	136,525	73	Gamet	Tapered Roller Bearings
  23038 KW33	190	290	75	ISO	Spherical Roller Bearings
  23128 KCW33+AH3128	140	225	68	ISO	Spherical Roller Bearings
  24088-B-K30-MB + AH24088-H	420	650	212	FAG	Spherical Roller Bearings
  3201-B-TV	12	32	15,9	NKE	Angular Contact Ball Bearings
  53307+U307	35	68	25,6	NKE	Thrust Ball Bearings
  77R6	9,525	22,225	7,142	FBJ	Deep Groove Ball Bearings
  EXEHE206	30			SNR	Bearing Units
  FJL-1215	12	19	15	NSK	Needle Roller Bearings
  GE 300 ES-2LS	300	430	165	SKF	Plain Bearings
  HCB71926-C-T-P4S	130	180	24	FAG	Angular Contact Ball Bearings
  KTV 91214 EG	9	12		IKO	Needle Roller Bearings
  NJ310E	50	110	27	NTN	Cylindrical Roller Bearings
  NKI 12/20M	12	24	20	JNS	Needle Roller Bearings
  W211PPB3	38,1	100	33,324	CYSD	Deep Groove Ball Bearings
  YAR207-2F	35	72	42,9	SKF	Deep Groove Ball Bearings
  MUCNFL205-14W	.8750			AMI	THERMOPLASTIC PILLOW BLOCKS
  11206TN9	30	62	16	SKF	SELF
  BU1222L	110	200	38	Hyatt	CYLINDRICAL ROLLER BEARINGS
  6201-2RS	32	12	10	CONSOLIDATED	DEEP GROOVE BALL BEARINGS