(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 3.2500

Outer Dia (D) - 5.7500

Width (B) - 1.6250

Outer Width (Bo) - 1.2500

Inner Width (Bi) - 1.6250

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.130

Weight (g) - 2,620.00

Material - 52100 chrome steel or equiavelent

The assembly part number lists the cone part number first and then the cup part number.

• Model Number: 663/653
• Inner Diameter：82,55mm Outer Diameter：146,05mm Width：41,275mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:printing equipment,generator,journal lathe,industrial fans,laser devices,Warehouse Shelf Equipment,axle lathe,glass,fabric products,Safety protection,Pneumatic Control Valves
• Similar models:KOYO 663/653 Fersa 663/653 NTN 4T-663/652 ISB 663/653 Timken 663A/653 CRAFT 663/653 FBJ 663/653 CX 663/653 FBJ 663/652 CX 663/652
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  1211SK	55	100	21	NTN	Self-Aligning Ball Bearings
  17098/17245D+X1S-17098	24,981	62	39,688	Timken	Tapered Roller Bearings
  23292-K-MB-W33+AHX3292	460	830	296	NKE	Spherical Roller Bearings
  3187/3120	30,162	72,626	30,162	ISO	Tapered Roller Bearings
  51202 V/HR11T1	47	15	12	SKF	Thrust Ball Bearings
  52210	50	78	39	NACHI	Thrust Ball Bearings
  566/563/Q	127	69,85	36,512	SKF	Tapered Roller Bearings
  755/753	76,2	168,275	47,625	Timken	Tapered Roller Bearings
  AXW 50	50	58	4,2	NBS	Needle Roller Bearings
  EB1.25.0856.200-1STPN	764	972	70	ISB	Thrust Ball Bearings
  GEM 40 ES-2RS	40	62	38	SIGMA	Plain Bearings
  M959442/10	304,8	499,948	101,6	CX	Tapered Roller Bearings
  MR-10-N	15,875	28,57	19,05	SIGMA	Needle Roller Bearings
  NK50/25R+IR45×50×25	45	62	25	NTN	Needle Roller Bearings
  NKJS20	20	42	20	KOYO	Needle Roller Bearings
  R2A-2RS	3,175	12,7	4,366	ISO	Deep Groove Ball Bearings
  RC4934	170	230	60	NACHI	Cylindrical Roller Bearings
  NCF3034CV	170	260	67	SKF	CYLINDRICAL ROLLER BEARINGS
  203K	40	17	12	NH	DEEP GROOVE BALL BEARINGS
  3219	95	170	55.6	SKF	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS