(dimensions in inches)

Bearing Type - Full Complement, Mechanically Retained Rollers

Outer Dia (D) - 0.5000

Width (B) - 0.4380

Dynamic Load Rating (Cr) - 1,420

Static Load Rating (Cor) - 1,870

Max Speed (Grease) (X1000 RPM) - 12,500

Shaft (Fw) - 0.313

Weight (g) - 5.00

Material - Drawn cup: Hardened carbon steel alloy, Rollers - 52100 Chrome steel or equivalent

Some sizes are available with a closed end.

The bearing must be used with a hardened inner ring, or a hardened shaft.

Some sizes are available as full complement grease retained roller design.

• Model Number: S57
• Inner Diameter：7,9502mm Outer Diameter：12,7mm Width：11,1252mm
• Type：Needle Roller Bearings
• Update date：2025-04-24
• Application:wheel lathe,root canal filling,Vertical pull,hinge industry,Water Monitoring,Laser Devices,hanging clamp,printing equipment,Small air generators,Optical detection,office outdoor camping equipment
• Similar models:IKO NTB5578 KOYO M571 KOYO JH-57 AST SCE57PP NBS K52x57x12 NTN KJ51X57X22.8 INA BCE57 Timken MJ-571 IKO TAF657825 BMW 23231282573
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  1780/1729	25,4	56,896	19,368	Fersa	Tapered Roller Bearings
  AST090 3215	32	36		AST	Plain Bearings
  6207SEE	35,000	72,000	17,000	SNR	Deep Groove Ball Bearings
  95TAH10DB	95	145	22,5	NACHI	Angular Contact Ball Bearings
  ER1.25.0734.400-1SPPN	615	886	85	ISB	Thrust Roller Bearings
  GEH560HC	560	800	400	LS	Plain Bearings
  GEWZ63ES-2RS	63,5	100,0125		AST	Plain Bearings
  N326 E	130	280	58	CX	Cylindrical Roller Bearings
  NJ1980	400	540	65	CX	Cylindrical Roller Bearings
  NP234 E	170	310	52	CX	Cylindrical Roller Bearings
  SCE2414	38,1	47,625	22,225	AST	Needle Roller Bearings
  NCF2996V	480	650	100	FAG	CYLINDRICAL ROLLER BEARINGS
  190DR	90	160	40	HOFF	DEEP GROOVE BALL BEARINGS
  R365	65	140	33	HOFF	CYLINDRICAL ROLLER BEARINGS
  NU2308	40	90	33	STEYR	CYLINDRICAL ROLLER BEARINGS
  MUL307	35	80	21	Rollway	CYLINDRICAL ROLLER BEARINGS
  RSTO25X	52		15.8	SKF	NEEDLE BEARINGS
  629ZZ	9	26	8	SKF	DEEP GROOVE BALL BEARINGS
  K-52x57x17	52	57	17	CONSOLIDATED	NEEDLE BEARINGS
  WS81196	480	575		CONSOLIDATED	THRUST ROLLER BEARINGS