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 - -8,5 mm

Da - 117 mm

db - 79 mm

ra max. - 2,3 mm

da - 85 mm

Db - 132 mm

Weight - 2,54 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-78250/78551
• Inner Diameter：63,5mm Outer Diameter：140,03mm Width：36,512mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Liposuction device,spectrometer,expectoration machine,Hydraulic Rama,agrochemical,Special Equipment,plastic molding,Infrared Technology,storage shelves,drawing die,Industrial equipment
• Similar models:CX 78250/78551 Timken 78250/78549D+X1S-78250 ISO 78250/78537 NSK 78250/78551 NSK 78250/78537 ISO 78250/78551 NACHI 78250/78551 NTN 4T-78250/78551 Timken 78250/78537 FBJ 78250/78551
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-78250/78551 products，there is large inventory of NTN 4T-78250/78551 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-78250/78551 Which NTN 4T-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
  28682/28621	57,15	96,838	24,608	Fersa	Tapered Roller Bearings
  31311	55	120	31,5	CYSD	Tapered Roller Bearings
  51238M	190	270		AST	Thrust Ball Bearings
  6010-2RS2	50	80	16	NKE	Deep Groove Ball Bearings
  6021	105	160	26	NSK	Deep Groove Ball Bearings
  6911LLU	55	80	13	NTN	Deep Groove Ball Bearings
  A4059/A4138D+X6SA4059	14,987	34,987	25,174	Timken	Tapered Roller Bearings
  BK3020	30	37	20	KOYO	Needle Roller Bearings
  BLP207-23	36,5125		32	FYH	Bearing Units
  DAC43800050/45	43	80	50	ISO	Angular Contact Ball Bearings
  EE 168400/168500	1270	1016	101,6	SKF	Tapered Roller Bearings
  FYJ 55 KF+H 2311	50			SKF	Bearing Units
  KLM06	6	12	19	NTN	Linear Bearings
  NMJ 2.1/2	63,5	139,7	31,75	SIGMA	Self-Aligning Ball Bearings
  NNU4952K	260	360	100	KOYO	Cylindrical Roller Bearings
  SIJK12C/B2	12			LS	Plain Bearings
  22308EAS.MA.C4.T41A	40	90	33	FAG	SPHERICAL ROLLER BEARINGS
  MS-27	9.0000	17.0000	3.0000	FBC	DEEP GROOVE BALL BEARINGS
  TARN5090	50	90		TIMKEN	NEEDLE BEARINGS
  51368				CONSOLIDATED	THRUST BALL BEARINGS