d - 25,4 mm

T - 19,368 mm

B - 19,837 mm

C - 15,875 mm

a - 12,5 mm

r min. - 0,8 mm

r1 min. - 0,8 mm

Da - 48,5 mm

db - 30 mm

da - 30,5 mm

Db - 50 mm

Basic dynamic load rating (C) - 40 kN

Basic static load rating (C0) - 43,1 kN

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,07

Calculation factor (Y1) - 1,95

• Model Number: 1780/1730
• Inner Diameter：25,4mm Outer Diameter：mm Width：19,837mm
• Type：Tapered Roller Bearings
• Update date：2025-12-14
• Application:electronic materials,milling head plug,Die,relay,wire industry,pneumatic,hydraulic connector,machine tool spindle,DC generators,defogging and degreasing,Safety protection
• Similar models:KOYO 1780/1730 Timken 1780/1729 ZVL 1780/1729 ISO 1780/1729 Timken 1780/1729B NTN 4T-1780/1729 FBJ 1780/1729 SKF 331780A CX 1780/1729 Timken 1780/1738X
• BEARING POWER International Trading Co.,Ltd. specialize in 1780/1730 products，there is large inventory of KOYO 1780/1730 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 1780/1730 Which KOYO 1780/1730 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
  23168-2CS5K/VT143	580	340	190	SKF	Spherical Roller Bearings
  23244-E1-K	220	400	144	FAG	Spherical Roller Bearings
  2LA-HSE918CG/GNP42	90	125	18	NTN	Angular Contact Ball Bearings
  30680-1	400	750	130	ISB	Tapered Roller Bearings
  3NCHAR918	90	125	18	KOYO	Angular Contact Ball Bearings
  61805-2Z	25	37	7	ZEN	Deep Groove Ball Bearings
  EXFE216	80			SNR	Bearing Units
  HJ-648032	101,6	127	50,8	KOYO	Needle Roller Bearings
  HM813841/10	60,325	127	36,512	CX	Tapered Roller Bearings
  JH-2212	34.925	44.450	19.05	KOYO	Needle Roller Bearings
  K18X22X13	18	22		INA	Needle Roller Bearings
  NCS1612	25,4	38,1	19,05	INA	Needle Roller Bearings
  NNU4940K/W33	200	280	80	CYSD	Cylindrical Roller Bearings
  NU324	120	260	55	CRAFT	Cylindrical Roller Bearings
  UCX20	100	190	117,5	FYH	Deep Groove Ball Bearings
  TA 2030 Z	20	27	30	IKO	Needle Roller Bearings
  UC210-32L3	50,8	90	51,6	KOYO	Deep Groove Ball Bearings
  SDAF-528	4.9375	12.0625		Torrington	PILLOW BLOCKS
  511/560				SKF	THRUST BALL BEARINGS
  462311	55	120	1.9375	SKF	DEEP GROOVE BALL BEARINGS