(dimensions in mm)

Bearing Type - NU

Bore Dia (d) - 100.0000

Outer Dia (D) - 250.0000

Width (B) - 58.0000

Radius (min) (rs) - 4.000

Dynamic Load Rating (Cr) - 440,000

Static Load Rating (Cor) - 488,000

Max Speed (Grease) (X1000 RPM) - 2

Max Speed (Oil) (X1000 RPM) - 3

Max. Shaft Shoulder Dia. Inner (Li) - 139.0

Min. Housing Shoulder Dia., Outer (Lo) - 211.0

Weight (g) - 15,420.00

Precision - RBEC 1

Standard Clearance - C0

Material - 52100 Chrome steel, or equivalent

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

This bearing is also available with the HJ end plate for the inner race.

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:NU420 M
• Inner Diameter：100mm Outer Diameter：250mm Width：58mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-16
• Application:Air,industrial equipment,pump accessories,electronic materials,ventilation equipment,other rubber,Textile Industry Accessories and Accessories,container finishing,stamping die,car and accessories,Rolling mill gear box
• Similar models:NTN E-4R14205 CX NF420 NTN NJ420 NACHI N420 ISO N420 NSK EE420793/421417 NSK EE420651/421417 CX BK162420 CX HK162420 NSK NJ420
• BEARING POWER International Trading Co.,Ltd. specialize in NU420M products，there is large inventory of AST NU420 M . We has been built up long-term cooperation with AST company, could make a bulk order of the NU420 M Which AST NU420M 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
  238/630-XL-K-MA	630	780	112	FAG	Spherical Roller Bearings
  32015-X	75	115	25	NKE	Tapered Roller Bearings
  35BW08C4	35	75	25	NSK	Deep Groove Ball Bearings
  565/563D+X1S-565	63,5	127	80,962	Timken	Tapered Roller Bearings
  6313NR	65	140	33	NTN	Deep Groove Ball Bearings
  B-2420	38,1	47,625	31,75	Timken	Needle Roller Bearings
  7205BDF	25	52	15	CYSD	Angular Contact Ball Bearings
  GW 020	20	55	20	CX	Plain Bearings
  HK121718	12	17	18	ISO	Cylindrical Roller Bearings
  HSS71914-C-T-P4S	70	100	16	FAG	Angular Contact Ball Bearings
  L183449/L183410	762	889	88,9	ISB	Tapered Roller Bearings
  NCF1888 V	440	540	46	CX	Cylindrical Roller Bearings
  NP409	45	120	29	CX	Cylindrical Roller Bearings
  NU1008	40	68	15	FBJ	Cylindrical Roller Bearings
  Z-531160.04.DRGL	260	680	233	FAG	Spherical Roller Bearings
  L15WA900	9.0000	11.0000	1.0000	FAG	ANGULAR CONTACT BALL BEARINGS
  NN3048KSPW33	240	360	92	SKF	CYLINDRICAL ROLLER BEARINGS
  UCF212-60	60			IPTCI	PILLOW BLOCKS
  81105			5	INA	THRUST ROLLER BEARINGS
  NBX30409	12.0000	12.7500	.3750	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS