d - 25,4 mm

T - 17,462 mm

B - 17,462 mm

C - 13,495 mm

a - 12,7 mm

r min. - 1,2 mm

r1 min. - 1,6 mm

Da - 51 mm

db - 30,5 mm

da - 32,5 mm

Db - 53 mm

Basic dynamic load rating (C) - 37,8 kN

Basic static load rating (C0) - 42,7 kN

Calculation factor (e) - 0,35

Calculation factor (Y0) - 0,95

Calculation factor (Y1) - 1,73

• Model Number: 15578/15520
• Inner Diameter：25,4mm Outer Diameter：mm Width：17,462mm
• Type：Tapered Roller Bearings
• Update date：2025-04-23
• Application:Medium and large motor,equipment,Pneumatic Control Valves,wheel lathe,hydraulic pressure gauge,agricultural testing and analysis equipment and related,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Cylinder Standard,Hairbrush device,oral medical device,other rubber
• Similar models:ISO 15578/15523 Timken 15578/15520 Fersa 15578/15520 CX 15578/15523 FBJ 15578/15523 KOYO 15578/15520 NTN 4T-15578/15523 NTN 4T-15578/15520 Timken 15578/15523 ISB 15578/15520
• BEARING POWER International Trading Co.,Ltd. specialize in 15578/15520 products，there is large inventory of KOYO 15578/15520 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 15578/15520 Which KOYO 15578/15520 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
  1206 KTN9	30	62	16	ISB	Self-Aligning Ball Bearings
  22320 KW33	100	215	73	ISO	Spherical Roller Bearings
  51216	80	115	28	FBJ	Thrust Ball Bearings
  6904	20	37	9	NACHI	Deep Groove Ball Bearings
  7021B	105,000	160,000	26,000	NTN	Angular Contact Ball Bearings
  7311CDT	55	120	29	NACHI	Angular Contact Ball Bearings
  FYTB 1.1/2 LDW	38,1	62	38,5	SKF	Bearing Units
  N3036	180	280	74	ISO	Cylindrical Roller Bearings
  NJ209EG15	45,000	85,000	19,000	SNR	Cylindrical Roller Bearings
  RS354022	35	40	22	KOYO	Needle Roller Bearings
  SLX30X80X51	30,000	80,000	51,000	NTN	Cylindrical Roller Bearings
  F602XZZS	2.5	8	4	ISC	DEEP GROOVE BALL BEARINGS
  NAK50	50	80	28	FAG (Old No.)	NEEDLE BEARINGS
  22313	65	140	48	Torrington	SPHERICAL ROLLER BEARINGS
  850SD31	850	1360	400	Torrington (Old No.)	SPHERICAL ROLLER BEARINGS
  FPCC708	7.5000	8.2500	.3750	SKF	DEEP GROOVE BALL BEARINGS
  RNA6915	105		54	Torrington	NEEDLE BEARINGS
  R1-418	.1250	.2500	.0937	NMB	DEEP GROOVE BALL BEARINGS
  NK-40/30	50		30	CONSOLIDATED	NEEDLE BEARINGS
  MR-88			3.0000	CONSOLIDATED	NEEDLE BEARINGS