(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:standing experimental equipment,Film machine,Broadcasting System,Optical detection,Water Monitoring,Perfusion device,spreader series,construction machinery and equipment,packing equipment,air shower etc,industrial equipment
• Similar models:CX NU308E INA F-230868.2 SIGMA A5308WB ISO NP308 NTN NF308 NKE NJ308-E-TVP3 SKF NU2308ECP INA SL192308 NTN NN3088K SNR NU308EG15
• 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
  2307S	35	80	31	NTN	Self-Aligning Ball Bearings
  24036 K30CW33+AH24036	180	280	100	ISO	Spherical Roller Bearings
  32914	70	100	20	ISO	Tapered Roller Bearings
  6301EE	12,000	37,000	12,000	SNR	Deep Groove Ball Bearings
  6908L11DDU	40	62	12	NSK	Deep Groove Ball Bearings
  K18X26X12FV	18	26		KOYO	Needle Roller Bearings
  MR202820+MI-162020	25,4	44,45	32	NTN	Needle Roller Bearings
  RNA4915	85	105	30	KOYO	Needle Roller Bearings
  T-H239649/H239612	187,325	320,675	88,9	NTN	Tapered Roller Bearings
  SA70ET-2RS	70		49	AST	Plain Bearings
  W211PPB3	38,1	100	33,34	Timken	Deep Groove Ball Bearings
  L1224U	120	215	40	Rollway	CYLINDRICAL ROLLER BEARINGS
  NU2212	60	110	28	SKF	CYLINDRICAL ROLLER BEARINGS
  SN610	45		70	SKF	PILLOW BLOCKS
  93128	.5000	.8750	1.7500	BERLISS	JOURNAL ROLLER ASSEMBLIES
  4203	17	40	16	STEYR	DEEP GROOVE BALL BEARINGS
  SNK6/10	12		10	SKF (Old No.)	NEEDLE BEARINGS
  6316Z	80	170	39	SKF	DEEP GROOVE BALL BEARINGS
  5308	40	90	36.5	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  5313-2RSNR	65	140	58.7	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS