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：2025-12-17
• Application:air purification,enzyme,hinge industry,medical equipment,luminescent reagent,Display Devices,Rolling mill,Wire grinder,Plastic molding,security equipment,medical equipment
• Similar models:Fersa 31308F ISB 31308J/DF SKF 31308J2/QCL7C SNR 31308A ISB 31308 Timken 31308 NKE 31308-DF NKE 31308 ZVL 31308A FAG 31308-A
• 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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  E33030J	150	225	59	NACHI	Tapered Roller Bearings
  HK1412	14	20	12	ZEN	Needle Roller Bearings
  NAXI 1223Z	12	24		IKO	Complex Bearings
  RNAF304216	30	42	16	JNS	Needle Roller Bearings
  S1622-2Z	14,287	34,925	11,112	ZEN	Deep Groove Ball Bearings
  XLS-41/8	4.1250	6.0000	.8750	FED	DEEP GROOVE BALL BEARINGS
  3303	17	47	22.2	FAG	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  R330L	30	72	19	HOFF	CYLINDRICAL ROLLER BEARINGS
  LS75100	75	100		INA	THRUST NEEDLE BEARINGS
  1316F	80	170	39	FED	DEEP GROOVE BALL BEARINGS
  CFL34	4.2500	7.5000	1.2500	SKF	CYLINDRICAL ROLLER BEARINGS
  2x23/16x2	2.0000	2.1875	2.0000	CONSOLIDATED	JOURNAL ROLLER BEARING OUTER RACES
  6302TP/5	15	42	13	CONSOLIDATED	DEEP GROOVE BALL BEARINGS