(dimensions in mm)

Bearing Type - N

Bore Dia (d) - 140.0000

Outer Dia (D) - 250.0000

Width (B) - 42.0000

Radius (min) (rs) - 3.000

Dynamic Load Rating (Cr) - 307,000

Static Load Rating (Cor) - 391,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 169.0

Min. Housing Shoulder Dia., Outer (Lo) - 221.0

Weight (g) - 9,810.00

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:N228 M
• Inner Diameter：140mm Outer Diameter：250mm Width：42mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-09
• Application:medical equipment,DC generators,manual Tools,gear type,Flame Cutting,animal anatomy,security,storage shelves,plant determination,horizontal processing,safety testing
• Similar models:ISB NJ228 ISO SL182228 NTN N2228 NTN NF228 NACHI NUP2228 TMB NU2280 NTN NUP2228 NACHI 23228EX1K NTN NJ228E ISB NUP228
• BEARING POWER International Trading Co.,Ltd. specialize in N228M products，there is large inventory of AST N228 M . We has been built up long-term cooperation with AST company, could make a bulk order of the N228 M Which AST N228M 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
  133075/133133XP	75	133,35	66,75	Gamet	Tapered Roller Bearings
  380330X/380482X	330,2	482,6	85,72	Gamet	Tapered Roller Bearings
  469/452D+X2S-469	57,15	107,95	65,09	Timken	Tapered Roller Bearings
  6008L11-H-20ZZ	40	68	15	NSK	Deep Groove Ball Bearings
  7213 A	65	120	23	CX	Angular Contact Ball Bearings
  BK1516	15	21	16	ZEN	Needle Roller Bearings
  HM813841/HM813811	60,325	127	36,512	KOYO	Tapered Roller Bearings
  HM88547/10	33,338	73,025	29,37	ISO	Tapered Roller Bearings
  MR41XZZ	1,2	4	2,5	ISO	Deep Groove Ball Bearings
  N336 M	180	380	75	AST	Cylindrical Roller Bearings
  NJ10/630	630	920	128	ISO	Cylindrical Roller Bearings
  NU1032	160	240	38	ISO	Cylindrical Roller Bearings
  SAPFL206	25,4		33,9	KOYO	Bearing Units
  AD5350	250	520	7.7500	American	CYLINDRICAL ROLLER BEARINGS
  F635ZZ	5	19	6	ISC	DEEP GROOVE BALL BEARINGS
  RLS-6-2RS	.7500	1.8750	.5625	SKF	DEEP GROOVE BALL BEARINGS
  BK2020	26		20	SKF	NEEDLE BEARINGS
  61808	40	52	7	SKF	DEEP GROOVE BALL BEARINGS
  6303-2RSNR	17	47	14	STEYR	DEEP GROOVE BALL BEARINGS
  33121	105	175	56	CONSOLIDATED	TAPERED ROLLER BEARINGS