Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31308

31308

SKF Explorer

Dimension series

7FB

Dimensions

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

Abutment dimensions

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

Basic dynamic load rating	C	91.1	kN
Basic static load rating	C₀	81.5	kN
Fatigue load limit	P_u	9.5	kN
Reference speed		5600	r/min
Limiting speed		7500	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

0.72

Model Number: 31308
Inner Diameter：40mm Outer Diameter：90mm Width：25.25mm
Reference speed:7500 r/min Limiting speed:5600 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：2025-12-09
Application:tapered grinder,motor,Machine tool accessories,Roller mill,pressure control valve,defogging and degreasing,leather processing,aerial work platform,plastic molding,industrial equipment,Automation
Similar models:31308/DF 31308
BEARING POWER International Trading Co.,Ltd. specialize in 31308 products，there is large inventory of SKF 31308 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31308 Which SKF 31308 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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