(dimensions in inches)

Bearing Type - single row assembly

Bore Dia (d) - 2.6875

Outer Dia (D) - 6.3750

Width (B) - 1.9375

Outer Width (Bo) - 1.2500

Inner Width (Bi) - 1.8125

Radius (min) (rs) - 0.138

Radius (min) (rs1) - 0.130

Weight (g) - 4,540.00

Material - 52100 chrome steel or equiavelent

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

• Model Number: 9278/9220
• Inner Diameter：68,2625mm Outer Diameter：161,925mm Width：49,2125mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:equipment,aerial work platform,Perfusion device,nail products,car steering pin,test laboratory equipment and accessories,sanitation facilities,Ball screw,shaft milling machine,Storage Tool,Anti-defibrillation pacing
• Similar models:NTN 4T-9278/9220 Timken 9278/9220 Timken 9278/9220D+X1S-9278 ISO 9278/9220 AST 9278/9220 Timken 9278/9221-B Fersa 9278/9220 CX 9278/9220 KOYO 9278R/9220
• BEARING POWER International Trading Co.,Ltd. specialize in 9278/9220 products，there is large inventory of AST 9278/9220 . We has been built up long-term cooperation with AST company, could make a bulk order of the 9278/9220 Which AST 9278/9220 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
  241/750 K30	750	1220	475	ISB	Spherical Roller Bearings
  32218	90	16	42,5	FBJ	Tapered Roller Bearings
  32228-A-N11CA-A250-300	140	250	143,5	FAG	Tapered Roller Bearings
  3NCHAC918C	90	125	18	KOYO	Angular Contact Ball Bearings
  4212 ATN9	110	60	28	SKF	Deep Groove Ball Bearings
  51434	170	335		ISO	Thrust Ball Bearings
  663/653	82,55	146,05	41,275	ISO	Tapered Roller Bearings
  HCB7032-C-T-P4S	160	240	38	FAG	Angular Contact Ball Bearings
  ML6010	6	10	2,5	KOYO	Deep Groove Ball Bearings
  NJ 1068 MA	520	340	82	SKF	Thrust Ball Bearings
  NJ2348	240	500	155	NTN	Cylindrical Roller Bearings
  RNA4904	25	37	17	AST	Needle Roller Bearings
  RNU070620-1	33	60	20,4	KOYO	Needle Roller Bearings
  YA014RRB	22,225	52	28,2	Timken	Deep Groove Ball Bearings
  221W	105	190	36	FAF	DEEP GROOVE BALL BEARINGS
  270-CDS	170	310	52	HOFF	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  SN322with22322	110	-	130	SKF	PILLOW BLOCKS
  400SD32	400	720	256	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  BK2220	28		20	SKF	NEEDLE BEARINGS
  SCE-1314			.8750	CONSOLIDATED	NEEDLE BEARINGS