Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31307

31307

SKF Explorer

Dimension series

7FB

Dimensions

d		35	mm
D		80	mm
T		22.75	mm
d₁	≈	59.6	mm
B		21	mm
C		15	mm
r_1,2	min.	2	mm
r_3,4	min.	1.5	mm
a		24.916	mm

Abutment dimensions

d_a	max.	45	mm
d_b	min.	44.5	mm
D_a	min.	62	mm
D_a	max.	72.5	mm
D_b	min.	76	mm
C_a	min.	3	mm
C_b	min.	7.5	mm
r_a	max.	2	mm
r_b	max.	1.5	mm

Calculation data

Basic dynamic load rating	C	75.4	kN
Basic static load rating	C₀	67	kN
Fatigue load limit	P_u	7.8	kN
Reference speed		6300	r/min
Limiting speed		8500	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

0.52

Model Number: 31307
Inner Diameter：35mm Outer Diameter：80mm Width：22.75mm
Reference speed:8500 r/min Limiting speed:6300 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:chemical,Spectrum Products,Storage Device,tapered grinder,gear type,Cylinder Standard,standing experimental equipment,food testing,Broadcasting System,tube,gantry processing
Similar models:31307
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Model No.	Inner Diameter	Outer Diameter	Width	Type
1600250	406.4	444.5	19.05	Seals
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BD-230/500 CAK/W33-AOHX 30/500 G	480	720	167	Bearings, units and housings
32964/DF	320	440	-	Bearings, units and housings
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401502	135	-	-	Seals
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85914	-	-	25.4	Seals
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S7202 CD/HCP4A	15	35	11	Bearings, units and housings
W 608 R-2RS1	8	22	7	Bearings, units and housings

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