d - 42,862 mm

D - 82,931 mm

T - 23,812 mm

B - 25,4 mm

C - 19,05 mm

ra1 max. - 0,8 mm

a - 6,2 mm

Da - 74 mm

db - 49,5 mm

ra max. - 2,3 mm

da - 53 mm

Db - 77 mm

Weight - 0,584 Kg

Basic dynamic load rating (C) - 76 kN

Basic static load rating (C0) - 98 kN

(Grease) Lubrication Speed - 4 500 r/min

(Oil) Lubrication Speed - 6 000 r/min

Calculation factor (e) - 0,33

Calculation factor (Y0) - 0,99

Calculation factor (Y2) - 1,79

• Model Number:4T-25578/25520
• Inner Diameter：42,862mm Outer Diameter：82,931mm Width：23,812mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:Broadcasting System,plastic molding,Rolling mill,Roller,engineering machinery,medical equipment,Automobile,Cylinder Standard,pressure control valve,medical equipment,hydraulic pressure gauge
• Similar models:Fersa 25578/25520 CX 25578/25520 NSK 25578/25523 NSK 25578/25520 Timken 25578/25520 Fersa 25578/25521 Timken 25578/25523 Fersa 25578/25523 Timken 25578/25522 ISO 25578/25520
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-25578/25520 products，there is large inventory of NTN 4T-25578/25520 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-25578/25520 Which NTN 4T-25578/25520 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
  1380/1328B	22,225	52,388	20,168	Timken	Tapered Roller Bearings
  3201 A-2RS1	32	12	15,9	SKF	Angular Contact Ball Bearings
  23192RHAK	460	760	240	KOYO	Spherical Roller Bearings
  241/850-B-MB	850	1360	500	FAG	Spherical Roller Bearings
  3220-ZZ	100	180	60,3	ISB	Angular Contact Ball Bearings
  778/772	92,075	180,975	47,625	KOYO	Tapered Roller Bearings
  40TAB07DB	40	72	15	NACHI	Thrust Ball Bearings
  61914	70	100	16	NKE	Deep Groove Ball Bearings
  7236BDF	180	320	52	NACHI	Angular Contact Ball Bearings
  7308DT	40	90	23	NACHI	Angular Contact Ball Bearings
  K.81212LPB	60	95	11	Timken	Thrust Roller Bearings
  LM501349/14	41,275	73,431	21,43	ISO	Tapered Roller Bearings
  Q1088	440	650	94	ISO	Angular Contact Ball Bearings
  ROZZ	1,191	3,967	2,38	ISB	Deep Groove Ball Bearings
  SRLS4-2RS	12,7	33,338	9,525	ZEN	Deep Groove Ball Bearings
  SYFJ 20 TF	20	38	24	SKF	Bearing Units
  L15RA400	4.0000	4.6250	.3125	FAG	ANGULAR CONTACT BALL BEARINGS
  312.2Z	60	130	31	FAG	DEEP GROOVE BALL BEARINGS
  AKL5	5	12	4	INA	THRUST BALL BEARINGS
  CSXG180	18.0000	20.0000	1.0000	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS