Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31309

31309

SKF Explorer

Dimension series

7FB

Dimensions

d		45	mm
D		100	mm
T		27.25	mm
d₁	≈	74.7	mm
B		25	mm
C		18	mm
r_1,2	min.	2	mm
r_3,4	min.	1.5	mm
a		31.023	mm

Abutment dimensions

d_a	max.	57	mm
d_b	min.	55	mm
D_a	min.	79	mm
D_a	max.	92	mm
D_b	min.	95	mm
C_a	min.	4	mm
C_b	min.	9	mm
r_a	max.	2	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	113	kN
Basic static load rating	C₀	102	kN
Fatigue load limit	P_u	12.5	kN
Reference speed		5000	r/min
Limiting speed		6700	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

0.95

Model Number: 31309
Inner Diameter：45mm Outer Diameter：100mm Width：27.25mm
Reference speed:6700 r/min Limiting speed:5000 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-17
Application:education model Instruments,wheel lathe,Polymer,cooling system,Rolling mill,medical equipment,squeeze machine etc,flexible processing,rolling machine,tray industry,hook
Similar models:31309/DF 31309 31309T62.5/DB
BEARING POWER International Trading Co.,Ltd. specialize in 31309 products，there is large inventory of SKF 31309 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31309 Which SKF 31309 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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