d - 68,262 mm

T - 49,212 mm

B - 46,038 mm

C - 31,75 mm

a - 50,2 mm

r min. - 3,6 mm

r1 min. - 3,2 mm

Da - 138 mm

db - 85 mm

da - 95 mm

Db - 153 mm

Basic dynamic load rating (C) - 246 kN

Basic static load rating (C0) - 286 kN

Calculation factor (e) - 0,71

Calculation factor (Y0) - 0,47

Calculation factor (Y1) - 0,85

• Model Number:9278R/9220
• Inner Diameter：68,262mm Outer Diameter：mm Width：46,038mm
• Type：Tapered Roller Bearings
• Update date：2025-12-15
• Application:non-motor vehicle Electric car,ignition system,industrial fans,generator,other lathe,security equipment,meat products machine,Laser Measurements,Flame Cutting,non-ferrous metal alloy,impression material
• Similar models:KOYO 9278R/9220 NTN 4T-9278/9220 AST 9278/9220 Timken 9278/9221-B Fersa 9278/9220 ISO 9278/9220 Timken 9278/9220D+X1S-9278 Timken 9278/9220 CX 9278/9220
• BEARING POWER International Trading Co.,Ltd. specialize in 9278R/9220 products，there is large inventory of KOYO 9278R/9220 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 9278R/9220 Which KOYO 9278R/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.

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  22322UAVS1	110,000	240,000	80,000	NTN	Thrust Roller Bearings
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  2P19022K	950,000	1360,000	320,000	NTN	Thrust Roller Bearings
  2RT4416	220,000	360,000	85,000	NTN	Thrust Roller Bearings
  4100	10	25	14	INA	Thrust Ball Bearings
  61706ZZ	30	37	4	ISB	Deep Groove Ball Bearings
  6207-Z	35	72	17	NKE	Deep Groove Ball Bearings
  638/8-2Z	8	16	6	SKF	Deep Groove Ball Bearings
  6454/6420-B	69,85	149,225	54,229	Timken	Tapered Roller Bearings
  7221 CDB	105	190	72	ISO	Angular Contact Ball Bearings
  863X/854	100	190,5	57,15	NSK	Cylindrical Roller Bearings
  K08x12x10	8	12	10	ISO	Needle Roller Bearings
  K18X22X14FV	18	22		KOYO	Needle Roller Bearings
  NU2307	35	80	31	KOYO	Cylindrical Roller Bearings
  NUP 206	30	62	16	ISB	Cylindrical Roller Bearings
  AD5352	260	540	8.0000	American	CYLINDRICAL ROLLER BEARINGS
  U1309L	45	100	25	Rollway	CYLINDRICAL ROLLER BEARINGS
  NKI12/20	12	24	20	INA	NEEDLE BEARINGS
  MCS307	35	80	21	Rollway (Bronze Cage)	CYLINDRICAL ROLLER BEARINGS
  602	2	7	2.8	NTN	DEEP GROOVE BALL BEARINGS