Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31308/DF

31308/DF

SKF Explorer

Dimensions

d		40	mm
D		90	mm
T		50.5	mm
2B		46	mm
b		11	mm
K		8	mm
r_3,4	min.	1.5	mm
r₅	min.	0.6	mm

Abutment dimensions

d_a	max.	51	mm
D_a	min.	71	mm
D_a	max.	82.5	mm
C_a	min.	3	mm
r_a	max.	1.5	mm
r_c	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	156	kN
Basic static load rating	C₀	163	kN
Fatigue load limit	P_u	19	kN
Reference speed		4500	r/min
Limiting speed		7500	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

1.49

Model Number: 31308/DF
Inner Diameter：40mm Outer Diameter：90mm Width：-mm
Reference speed:7500 r/min Limiting speed:4500 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:squeeze machine etc,lifting chain,Dental Drill etc,steam Hydraulic control element,journal lathe,vertical sawing machine,decoration machinery,Cleaning equipment,mathematical instruments,Security Equipment,SPA equipment
Similar models:31308/DF 31308
BEARING POWER International Trading Co.,Ltd. specialize in 31308/DF products，there is large inventory of SKF 31308/DF Matched tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31308/DF Which SKF 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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32922	110	150	25	Bearings, units and housings
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FSAF 1218 TLC	90	-	-	Bearings, units and housings
FSAF 1615 T	61.9125	-	-	Bearings, units and housings
FSAF 22617 x 3 T	76.2	-	-	Bearings, units and housings
GEZH 400 ESX-2LS	101.6	177.8	107.315	Bearings, units and housings
HJ 1052	260	309.6	31.5	Bearings, units and housings
NATR 5 PPXA	5	16	12	Bearings, units and housings
S71904 CE/P4A	20	37	9	Bearings, units and housings
SYR 4-3	101.6	-	-	Bearings, units and housings
YAR 206-2F	30	62	38.1	Bearings, units and housings
Z 203 F	17	-	4	Seals

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