d - 45 mm

D - 100 mm

T - 54,5 mm

B - 25 mm

r3 min. - 1,5 mm

r4 min. - 1,5 mm

r5 min. - 0,6 mm

2B - 50 mm

da max - 57 mm

Da min - 79 mm

Da max. - 91 mm

Weight - 2,1 Kg

Basic dynamic load rating (C) - 173 kN

Basic static load rating (C0) - 211 kN

Limiting speed - 6700 r/min

Calculation factor (e) - 0,83

Calculation factor (Y0) - 0,4

Calculation factor (Y1) - 0,72

Calculation factor (Y2) - 1,21

• Model Number: 31309-DF
• Inner Diameter：45mm Outer Diameter：100mm Width：54,5mm
• Type：Tapered Roller Bearings
• Update date：2025-12-13
• Application:ultra-quiet generators,agricultural testing and analysis equipment and related,equipment,pressure control valve,X-ray Equipment,Plastic molding,garden machinery,static control,Machine Tool Accessories,water,EEG
• Similar models:FBJ 31309 SKF 31309J2/QCL7C ZVL 31309A ISB 31309J/CDF NKE 31309 CX 31309A CYSD 31309 SNR 31309A FAG 31309-A Timken X31309M/Y31309M
• BEARING POWER International Trading Co.,Ltd. specialize in 31309-DF products，there is large inventory of NKE 31309-DF . We has been built up long-term cooperation with NKE company, could make a bulk order of the 31309-DF Which NKE 31309-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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  23140 K	200	340	112	ISB	Spherical Roller Bearings
  33021	105	160	43	ISO	Tapered Roller Bearings
  513130	45	84	39	Timken	Angular Contact Ball Bearings
  539/532X	53,975	107,95	36,512	Timken	Tapered Roller Bearings
  6232ZZX	160	290	48	KOYO	Deep Groove Ball Bearings
  AST800 1410	14	16		AST	Plain Bearings
  F-210898	30	46	10,5	INA	Needle Roller Bearings
  KGNO 50 C-PP-AS	50	75		INA	Linear Bearings
  NJ 412	60	150	35	NACHI	Cylindrical Roller Bearings
  NJ2244-E-M6	220	400	108	NKE	Cylindrical Roller Bearings
  NUP217EM	85	150	28	NSK	Cylindrical Roller Bearings
  RN322-E-MPBX	110	211	50	FAG	Cylindrical Roller Bearings
  UCPX11-35	55,6525		65,1	FYH	Bearing Units
  RNAO50x65x20	65		20	FAG	NEEDLE BEARINGS
  SN214with2214	70	-	80	FAG	PILLOW BLOCKS
  TWB4052	2.5000	3.2500		INA	THRUST NEEDLE BEARINGS
  NUP2076E	380	560	106	SKF	CYLINDRICAL ROLLER BEARINGS
  NU2312	60	130	46	SKF	CYLINDRICAL ROLLER BEARINGS
  NUP-326E	130	280	58	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  H-313x21/4	65	85		CONSOLIDATED	ADAPTERS