d - 25,4 mm

D - 56,896 mm

T1 - 7,455 mm

B - 19,837 mm

C - 15,875 mm

R - 0,8 mm

a - -6,9 mm

D1 - 60,757 mm

Da - 49,5 mm

db - 30,5 mm

C2 - 3,962 mm

da - 30 mm

Weight - 0,25 Kg

Basic static load rating (C0) - 45,3 kN

Factor (G1) - 10,6

Factor (G2) - 5,4

Factor (K) - 1,9

Basic dynamic load rating (C90) - 10,9

Basic dynamic load rating (Ca90) - 5,74

Basic dynamic load rating (C1) - 42 kN

Calculation factor (e) - 0,31

Calculation factor (Y) - 1,95

• Model Number:1780/1729B
• Inner Diameter：25,4mm Outer Diameter：56,896mm Width：19,837mm
• Type：Tapered Roller Bearings
• Update date：2025-12-16
• Application:floor industry,building decoration raw materials and accessories,Individual Wire,Optical detection,training beds etc,manual Tools,Other Measurements,Spectrum Products,DC generators,Industrial Electromechanical,Broadcasting System
• Similar models:ISO 1780/1729 Timken 1780/1738X NTN 4T-1780/1729 Timken 1780/1730 Timken 1780/1729B KOYO 1780/1730 CX 1780/1729 Fersa 1780/1729 SKF 331780A Timken 1780/1729
• BEARING POWER International Trading Co.,Ltd. specialize in 1780/1729B products，there is large inventory of Timken 1780/1729B . We has been built up long-term cooperation with Timken company, could make a bulk order of the 1780/1729B Which Timken 1780/1729B 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.

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  80170/80217	431,8	552,45	44,45	NTN	Tapered Roller Bearings
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  NA1012	12	28	15	KOYO	Needle Roller Bearings
  NKXR45T2Z+IR40×45×20	40	66,5		NTN	Complex Bearings
  SBB32	2.0000	3.1875	1.7500	IKO	SPHERICAL PLAIN BEARINGS
  XLJT-41/4	4.2500	6.0000	.8750	RHP	ANGULAR CONTACT BALL BEARINGS
  GE-300UK.2RS	300	430	165	FAG	SPHERICAL PLAIN BEARINGS
  6208-2RSNR	80	.203	18	FAG	DEEP GROOVE BALL BEARINGS
  CRBY11/4	.3750	1.2500	.8125	RBC	YOKE TYPE TRACK ROLLER
  1911-RDU#7BKE	55	80	13	MRC	ANGULAR CONTACT BALL BEARINGS
  F-UCFM210	50	7.5000		NTN	STAINLESS STEEL PILLOW BLOCKS
  SUCTP209-28	1.7500			PTI	THERMOPLASTIC PILLOW BLOCKS
  RA133ZZA	.0937	.1875	.0937	NTN	DEEP GROOVE BALL BEARINGS
  CRSBC-96	2.5000	6.0000	3.2500	CONSOLIDATED	NEEDLE BEARINGS