d - 31,75 mm

D - 73,025 mm

T - 22,225 mm

B - 23,812 mm

C - 17,462 mm

ra1 max. - 3,3 mm

a - 5,5 mm

Da - 63 mm

db - 38,5 mm

ra max. - 0,8 mm

da - 39,5 mm

Db - 68 mm

Weight - 0,465 Kg

Basic dynamic load rating (C) - 62,5 kN

Basic static load rating (C0) - 75,5 kN

(Grease) Lubrication Speed - 5 200 r/min

(Oil) Lubrication Speed - 7 000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,9

Calculation factor (Y2) - 1,63

• Model Number: 4T-2879/2820
• Inner Diameter：31,75mm Outer Diameter：73,025mm Width：22,225mm
• Type：Tapered Roller Bearings
• Update date：2025-12-09
• Application:Display Devices,Spectral Products,electronic materials,tire industry,extruder,tower crane,chemical raw materials and reagents,Blood coagulation reagent,Plastic molding,EEG,other rubber
• Similar models:ISO 2879/2820 KOYO 2879/2821 FBJ 02879/02820 Timken NP248287/NP522879 NTN 4T-2879/2820 CX 2879/2820 Timken 2879/2820
• BEARING POWER International Trading Co.,Ltd. specialize in 4T-2879/2820 products，there is large inventory of NTN 4T-2879/2820 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 4T-2879/2820 Which NTN 4T-2879/2820 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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