d - 63,5 mm

D - 140,03 mm

T - 36,512 mm

B - 33,236 mm

C - 23,52 mm

ra1 max. - 2,3 mm

a - 44,2 mm

r min. - 2,3 mm

r1 min. - 2,3 mm

Da - 117 mm

db - 79 mm

ra max. - 2,3 mm

da - 85 mm

Db - 132 mm

Weight - 2,436 Kg

Basic dynamic load rating (C) - 152 kN

Basic static load rating (C0) - 183 kN

(Grease) Lubrication Speed - 2600 r/min

(Oil) Lubrication Speed - 3600 r/min

Calculation factor (e) - 0,87

Calculation factor (Y0) - 0,38

Calculation factor (Y1) - 0,69

• Model Number: 78250/78551
• Inner Diameter：63,5mm Outer Diameter：140,03mm Width：36,512mm
• Type：Tapered Roller Bearings
• Update date：2025-12-11
• Application:security equipment,Garment Accessories,food sterilization,agricultural testing and analysis equipment and related,lifting upgrade,die casting mold,Pump,medical Equipment,other CNC,Anesthetic Equipment,non-ferrous metal alloy
• Similar models:NSK 78250/78537 ISO 78250/78551 Timken 78250/78549D+X1S-78250 KOYO 78250/78537 FBJ 78250/78551 Timken 78250/78551 NTN 4T-78250/78551 NACHI 78250/78551 Timken 78250/78537 ISO 78250/78537
• BEARING POWER International Trading Co.,Ltd. specialize in 78250/78551 products，there is large inventory of NSK 78250/78551 . We has been built up long-term cooperation with NSK company, could make a bulk order of the 78250/78551 Which NSK 78250/78551 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
  2211K	55	100	25	KOYO	Self-Aligning Ball Bearings
  294/800EF	800	1360	165	SKF	Thrust Roller Bearings
  238/500	500	620	90	ISB	Spherical Roller Bearings
  239/800E	800	1060	195	NACHI	Cylindrical Roller Bearings
  3306	30	72	30,2	CYSD	Angular Contact Ball Bearings
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  53309	45	85		ISO	Thrust Ball Bearings
  54213	65	100	50,4	NSK	Thrust Ball Bearings
  6036	180	280	46	CYSD	Deep Groove Ball Bearings
  63320ZZ	100,000	215,000	82,500	NTN	Deep Groove Ball Bearings
  81136	180,000	225,000	34,000	NTN	Thrust Ball Bearings
  NJ2307	35	80	31	KOYO	Cylindrical Roller Bearings
  NU2948	240,000	320,000	48,000	NTN	Cylindrical Roller Bearings
  PASEY12	12		30	NKE	Bearing Units
  SAJK18C	18			LS	Plain Bearings
  LP2217U	85	150	36	Rollway	CYLINDRICAL ROLLER BEARINGS
  MB260-9LFSS	260	370	150	RBC	SPHERICAL PLAIN BEARINGS
  6011.2RSNR	55	90	18	STEYR	DEEP GROOVE BALL BEARINGS
  R8.2Z	.5000	1.1250	.3125	SKF	DEEP GROOVE BALL BEARINGS
  6203TP/5	17	40	12	CONSOLIDATED	DEEP GROOVE BALL BEARINGS