(dimensions in mm)

Bearing Type - N

Bore Dia (d) - 40.0000

Outer Dia (D) - 90.0000

Width (B) - 23.0000

Radius (min) (rs) - 1.500

Dynamic Load Rating (Cr) - 56,200

Static Load Rating (Cor) - 53,800

Max Speed (Grease) (X1000 RPM) - 7

Max Speed (Oil) (X1000 RPM) - 9

Max. Shaft Shoulder Dia. Inner (Li) - 53.5

Min. Housing Shoulder Dia., Outer (Lo) - 77.5

Weight (g) - 662.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

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

Suffix definitions are listed in the Nomenclature Technical document.

This bearing is also available with a retaining ring groove in the outer race, and it can be supplied with the ring (suffix NR) or without the ring (suffix N). Please see the Technical Information Sheet for the groove and ring dimensions.

• Model Number: N308
• Inner Diameter：40mm Outer Diameter：90mm Width：23mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:Textile Industry Accessories and Accessories,Hydraulic Couplings,relay,industrial skin care,paint paint,plastic molding,crimping tools,instrumentation instrument,Cylinder Standard,Gas turbine,physical instruments
• Similar models:NTN NJ2308 KOYO NJ2308R NKE NU2308-E-MPA SKF C3084M ISO NUP3084 KOYO NN3088K ISO NJ308 NACHI 21308E KOYO NN3084K NKE NU308-E-TVP3
• BEARING POWER International Trading Co.,Ltd. specialize in N308 products，there is large inventory of AST N308 . We has been built up long-term cooperation with AST company, could make a bulk order of the N308 Which AST N308 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
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  7215B	75	130	25	FBJ	Angular Contact Ball Bearings
  BSA 306 CG-2RZ	30	72	19	SKF	Thrust Ball Bearings
  GW211PP3	38,1	100	33,34	Timken	Deep Groove Ball Bearings
  IJ212001	45			ILJIN	Tapered Roller Bearings
  N 224	120	191,5	40	NSK	Cylindrical Roller Bearings
  N411	55	117,2	33	NTN	Cylindrical Roller Bearings
  NP1972	360	480	56	ISO	Cylindrical Roller Bearings
  UCT315	75			SNR	Bearing Units
  UK211	55	100	35	ISO	Deep Groove Ball Bearings
  VSU 20 0744	672	816		INA	Thrust Ball Bearings
  W6309-2RS	45	100	39,7	CYSD	Deep Groove Ball Bearings
  XAB32010X/Y32010X	50	80	20	Timken	Tapered Roller Bearings
  CF22VUU	10	22	12	IKO	NEEDLE BEARINGS
  HYDNUT880			98	FAG	HYDRAULIC NUTS
  CSCA100	10.0000	10.5000	.2500	INA	DEEP GROOVE BALL BEARINGS
  XLS-19	19.0000	25.5000	3.2500	NH	DEEP GROOVE BALL BEARINGS
  HW-3/8				CONSOLIDATED	THRUST BALL BEARINGS
  TC-1625	1.0000	1.5625	.0781	CONSOLIDATED	THRUST NEEDLE BEARINGS