SKF 31308 Bearing

SKF 31308 tapered roller bearings

Also known as : 31308,30318-A

Inside Diameter: 40 mm
Outside Diameter: 90 mm
Width: 25.25 mm
Basic dynamic load rating: 91.1 kN
Basic static load rating: 81.5 kN

SKF 31308 Bearing

SKF 31308 Bearing details

model	31308
Dimension series	7FB
d	40 mm
D	90 mm
T	25.25 mm
d₁ ≈	67.15 mm
B	23 mm
C	17 mm
r_{1,2 min.}	2 mm
r_{3,4 min.}	1.5 mm
a	28.252 mm
d_{a max.}	51 mm
d_{b min.}	50 mm
D_{a min.}	71 mm
D_{a max.}	82.5 mm
D_{b min.}	86 mm
C_{a min.}	3 mm
C_{b min.}	8 mm
r_{a max.}	2 mm
r_{b max.}	1.5 mm
Calculation data
C	91.1 kN, Basic dynamic load rating
C₀	81.5 kN, Basic static load rating
P_u	9.5 kN, Fatigue load limit
Reference speed	5600 r/min
Limiting speed	7500 r/min
e	0.83, Calculation factor
Y	0.72, Calculation factor
Y₀	0.4, Calculation factor
Mass	0.72 kg

As SKF bearing distributor, Nodes bearings have SKF 31308 roller bearings, SKF Explorer, Tapered roller bearings, Dimension series: 7FB.

SKF 31308 bearing cross reference

FAG 31308-A bearing
40mm x 90mm x 25.25mm

FAG 31308-XL bearing
40mm x 90mm x 25.25mm

FAG 31308-XL-P5-DF-VA20-40 bearing
40mm x 90mm x 50.5mm

FAG 31308-XL-DF-A50-90 bearing
40mm x 90mm x 50.5mm

FAG 31308-XL-DF-A70-110 bearing
40mm x 90mm x 50.5mm

FAG 31308-XL-DF-A115-155 bearing
40mm x 90mm x 50.5mm

SKF 33208 bearing
40mm x 80mm x 32mm

NSK HR31308J bearing
40mm x 90mm x 25.25mm