d - 40 mm

D - 90 mm

T - 50,5 mm

B - 23 mm

r3 min. - 1,5 mm

r4 min. - 1,5 mm

r5 min. - 0,6 mm

2B - 46 mm

da max - 51 mm

Da min - 71 mm

Da max. - 81 mm

Weight - 1,58 Kg

Basic dynamic load rating (C) - 138 kN

Basic static load rating (C0) - 164 kN

Limiting speed - 7500 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,72

Calculation factor (Y2) - 1,21

• Model Number:31308-DF
• Inner Diameter：40mm Outer Diameter：90mm Width：50,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-25
• Application:spreader series,tobacco machinery,Special Equipment,Pump,organic raw materials,transistor fittings,pneumatic,survey accessories,Spectrum Products,pump,reducer
• Similar models:ISB 31308 Timken X31308/Y31308 ISB 31308J/DF CYSD 31308 FBJ 31308 FAG 31308-A-N11CA-A50-90 ISO 31308 ZVL 31308A SKF 31308J2/QCL7C NKE 31308-DF
• BEARING POWER International Trading Co.,Ltd. specialize in 31308-DF products，there is large inventory of NKE 31308-DF . We has been built up long-term cooperation with NKE company, could make a bulk order of the 31308-DF Which NKE 31308-DF 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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  HC71918TGP/4	90	125	18	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS