d - 57,15 mm

D - 140,03 mm

T - 36,512 mm

B - 33,236 mm

C - 23,52 mm

ra1 max. - 2,3 mm

a - -8,5 mm

Da - 117 mm

db - 77 mm

ra max. - 3,5 mm

da - 83 mm

Db - 132 mm

Weight - 2,69 Kg

Basic dynamic load rating (C) - 171 kN

Basic static load rating (C0) - 212 kN

(Grease) Lubrication Speed - 2 600 r/min

(Oil) Lubrication Speed - 3 400 r/min

Calculation factor (e) - 0,87

Calculation factor (Y0) - 0,38

Calculation factor (Y2) - 0,69

• Model Number: 4T-78225/78551
• Inner Diameter：57,15mm Outer Diameter：140,03mm Width：36,512mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:powder metallurgy,electrocardiograph,non-motor vehicle Electric car,transistor fittings,relay,Cylinder Pneumatic Treatment Element,bio-chemical,laser devices,Cylinder Micro,universal category,Insect Count
• Similar models:Timken 78225/78551 Timken 78225C/78537 KOYO 78225/78551 FBJ 78225/78551 CX 78225/78551 CX 78225C/78551 KOYO 78225/78537 Timken 78225C/78551 Fersa 78225C/78551 ISO 78225/78551
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-78225/78551 products，there is large inventory of NTN 4T-78225/78551 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-78225/78551 Which NTN 4T-78225/78551 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
  11204	20	47	14	ISO	Self-Aligning Ball Bearings
  181111X/181190C	111,125	190	47,62	Gamet	Tapered Roller Bearings
  22334UAVS2	170,000	360,000	120,000	NTN	Thrust Roller Bearings
  231/530 KCW33+H31/530	530	870	272	CX	Spherical Roller Bearings
  32264	320	580	159	NACHI	Tapered Roller Bearings
  3318A	90	190	73	SKF	Angular Contact Ball Bearings
  579905AA	110	180	69	FAG	Spherical Roller Bearings
  683/672	95,25	168,275	41,275	CX	Tapered Roller Bearings
  GEEW17ES	17	30	17	FBJ	Plain Bearings
  KTFS12-PP-AS	12			INA	Linear Bearings
  MJ3.3/8	85,725	190,5	39,6875	RHP	Deep Groove Ball Bearings
  NA4917	85	120	35	NSK	Needle Roller Bearings
  T7FC 045/HN3QCL7C	95	45	29	SKF	Tapered Roller Bearings
  TUF1 14.170	14	16		CX	Plain Bearings
  ZKLN2557-2RS-2AP	25	57	56	INA	Thrust Ball Bearings
  AD5319	95	200	3.0625	American	CYLINDRICAL ROLLER BEARINGS
  6018.2ZNR	90	140	24	STEYR	DEEP GROOVE BALL BEARINGS
  LS-121/2-AC	1.3750	3.0000	.6875	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS
  33x52x10mm	33	52	10	CONSOLIDATED	OIL SEALS
  KD-200CPO	20.0000	21.0000	.5000	CONSOLIDATED	DEEP GROOVE BALL BEARINGS