(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 1.3750

Outer Dia (D) - 2.8750

Width (B) - 0.9375

Outer Width (Bo) - 0.7500

Inner Width (Bi) - 0.9688

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.031

Weight (g) - 464.00

Material - 52100 chrome steel or equiavelent

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

• Model Number: 25878/25821
• Inner Diameter：34,925mm Outer Diameter：73,025mm Width：23,8125mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:transistor fittings,Equipment,enzyme,welding equipment,rubber products machinery and equipment,boring bar boring bar,sewage pump,Industrial,physical instruments,thin metal materials,wall materials
• Similar models:CX 25878/25821 ISO 25878/25821 Timken 25878/25821 AST 25878/25821 Fersa 25878/25820 Timken 25878/25820 NTN 4T-25878/25820 FBJ 25878/25821 NSK 25878/25820 KOYO 25878R/25820
• BEARING POWER International Trading Co.,Ltd. specialize in 25878/25821 products，there is large inventory of AST 25878/25821 . We has been built up long-term cooperation with AST company, could make a bulk order of the 25878/25821 Which AST 25878/25821 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
  11162/11300	41,275	76,2	18,009	FBJ	Tapered Roller Bearings
  222S.403	106,363	215	58	FAG	Spherical Roller Bearings
  30313	65	140	36	CRAFT	Tapered Roller Bearings
  33269/33472	68,262	120	29,794	Timken	Tapered Roller Bearings
  5S-7008UCG/GNP42	40	68	15	NTN	Angular Contact Ball Bearings
  618/8 ZZ	8	16	5	CX	Deep Groove Ball Bearings
  61826 ZZ	130	165	18	CX	Deep Groove Ball Bearings
  AXK 5070	50	70	3	ISO	Needle Roller Bearings
  GE40-KRR-B-2C	40	80	56,5	INA	Deep Groove Ball Bearings
  KH5070PP	50	62	70	CX	Linear Bearings
  LUNE 50	50			SKF	Linear Bearings
  RNU 310 ECP	110	65	27	SKF	Cylindrical Roller Bearings
  SS 61910-ZZ	50	72	12	ISB	Deep Groove Ball Bearings
  XLJT-2	2.0000	3.3125	.6250	RHP	ANGULAR CONTACT BALL BEARINGS
  LBE20	20	32	45	IKO	LINEAR RECIRCULATING BALL BEARINGS
  NAX2530Z	37	25		FAG (Old No.)	NEEDLE BEARINGS
  314-MFG	70	150	35	MRC	DEEP GROOVE BALL BEARINGS
  WC88026	26	52	.6250	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  NU-2926E	130	180	30	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  CT-38A	7.9120	8.1250		CONSOLIDATED	THRUST ROLLER BEARINGS