Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31309/DF

31309/DF

SKF Explorer

Dimensions

d		45	mm
D		100	mm
T		54.5	mm
2B		50	mm
b		10.5	mm
K		8.5	mm
r_3,4	min.	1.5	mm
r₅	min.	0.6	mm

Abutment dimensions

d_a	max.	57	mm
D_a	min.	79	mm
D_a	max.	92	mm
C_a	min.	4	mm
r_a	max.	1.5	mm
r_c	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	194	kN
Basic static load rating	C₀	204	kN
Fatigue load limit	P_u	24.5	kN
Reference speed		4000	r/min
Limiting speed		6700	r/min
Calculation factor	e	0.83
Calculation factor	Y₁	0.81
Calculation factor	Y₂	1.2
Calculation factor	Y₀	0.8

Mass

Mass bearing pair

1.98

Model Number: 31309/DF
Inner Diameter：45mm Outer Diameter：100mm Width：-mm
Reference speed:6700 r/min Limiting speed:4000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Matched tapered roller bearings
Details： Matched tapered roller bearings Matched single row tapered roller bearings arranged face-to-face
Update date：2026-04-16
Application:dynamic blood pressure,Broadcasting System,roller lathe,aerial work equipment,powder metallurgy,Spectrum Products,food sterilization,noise inspection,floor industry,Rolling mill,chuck industry
Similar models:31309/DF 31309 31309T62.5/DB
BEARING POWER International Trading Co.,Ltd. specialize in 31309/DF products，there is large inventory of SKF 31309/DF Matched tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31309/DF Which SKF 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
TQO design	482.6	615.95	-	Bearings, units and housings
36155	92.075	111.15	9.53	Seals
51205 V/HR11T1	25	47	15	Bearings, units and housings
53411 + U 411	55	120	50.5	Bearings, units and housings
590x630x20 HDS1 R	590	630	20	Seals
71914 ACB/HCP4A	70	100	16	Bearings, units and housings
71915 CE/HCP4AL	75	105	16	Bearings, units and housings
HE 317 E	76.2	110	63	Bearings, units and housings
KML 30	24	-	150	Bearings, units and housings
NK 28/20	28	37	20	Bearings, units and housings
NKIA 5908	40	62	30	Bearings, units and housings
SYE 1 7/16-3	36.5125	-	-	Bearings, units and housings

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