d - 25,4 mm

D - 56,896 mm

T - 19,368 mm

B - 19,837 mm

C - 15,875 mm

ra1 max. - 1,3 mm

a - 6,5 mm

Da - 49 mm

db - 30 mm

ra max. - 0,8 mm

da - 30,5 mm

Db - 51 mm

Weight - 0,238 Kg

Basic dynamic load rating (C) - 42,5 kN

Basic static load rating (C0) - 46,5 kN

(Grease) Lubrication Speed - 7 200 r/min

(Oil) Lubrication Speed - 9 600 r/min

Calculation factor (e) - 0,31

Calculation factor (Y0) - 1,07

Calculation factor (Y2) - 1,95

• Model Number: 4T-1780/1729
• Inner Diameter：25,4mm Outer Diameter：56,896mm Width：19,368mm
• Type：Tapered Roller Bearings
• Update date：2025-04-24
• Application:office equipment,disposable,lifting tackle,Other machinery,Storage Tool,motor,municipal machinery,industrial supplies,medical equipment,manual Tools,other accessories
• Similar models:KOYO 1780/1730 SKF 331780A Timken 1780/1730 NTN 4T-1780/1729 Timken 1780/1729 Fersa 1780/1729 ISO 1780/1729 Timken 1780/1738X ZVL 1780/1729 FBJ 1780/1729
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-1780/1729 products，there is large inventory of NTN 4T-1780/1729 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-1780/1729 Which NTN 4T-1780/1729 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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