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：2025-12-12
• Application:Laser Measurements,chemical instruments,Spectrum Products,education model Instruments,Industrial,decoration machinery,transportation equipment,metal mold,transistor fittings,intermediate,Hydraulic Press
• Similar models:NSK 78250/78551 NACHI 78250/78551 KOYO 78250/78537 Timken 78250/78537 NSK 78250/78537 CX 78250/78537 Timken 78250/78551 NTN 4T-78250/78551 ISO 78250/78537 ISO 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
  20211-K-TVP-C3	55	100	21	FAG	Spherical Roller Bearings
  15118/15250X	30,213	63,5	20,638	Timken	Tapered Roller Bearings
  20R2525P-1	20	25	25	KOYO	Needle Roller Bearings
  27690/27620	83,345	125,412	25,4	FBJ	Tapered Roller Bearings
  47680R/47620	76,2	133,35	33,338	KOYO	Tapered Roller Bearings
  537/532X	50,8	107,95	36,512	ISO	Tapered Roller Bearings
  L865547/L865512	381	479,425	49,212	Timken	Tapered Roller Bearings
  LBCD 30 A-2LS	30	47	68	SKF	Linear Bearings
  N1088	440	597	94	NTN	Cylindrical Roller Bearings
  NKX50	50	70		NTN	Complex Bearings
  NLJ1.7/8	47,625	101,6	20,6375	RHP	Self-Aligning Ball Bearings
  NUP2332	160	340	114	ISO	Cylindrical Roller Bearings
  SL06 030 E	150	225	75	INA	Cylindrical Roller Bearings
  WC87039	9	26	.4062	New Departure	DEEP GROOVE BALL BEARINGS
  51413				RHP	THRUST BALL BEARINGS
  NU308E	40	90	23	STEYR	CYLINDRICAL ROLLER BEARINGS
  55BIC247	5.5000	7.5000	1.0000	Torrington	DEEP GROOVE BALL BEARINGS
  6317-K	85	180	41	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  222SM340	340	650	170	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS
  231S.1100	500	-	160	CONSOLIDATED	SPLIT SPHERICAL ROLLER BEARINGS