Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31313

31313

SKF Explorer

Dimension series

7GB

Dimensions

d		65	mm
D		140	mm
T		36	mm
d₁	≈	103.5	mm
B		33	mm
C		23	mm
r_1,2	min.	3	mm
r_3,4	min.	2.5	mm
a		42.39	mm

Abutment dimensions

d_a	max.	80	mm
d_b	min.	78	mm
D_a	min.	111	mm
D_a	max.	129.5	mm
D_b	min.	132	mm
C_a	min.	5	mm
C_b	min.	13	mm
r_a	max.	3	mm
r_b	max.	2.5	mm

Calculation data

Basic dynamic load rating	C	203	kN
Basic static load rating	C₀	193	kN
Fatigue load limit	P_u	23.6	kN
Reference speed		3600	r/min
Limiting speed		4800	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

2.36

Model Number: 31313
Inner Diameter：65mm Outer Diameter：140mm Width：36mm
Reference speed:4800 r/min Limiting speed:3600 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：2026-04-16
Application:Spectrum Products,test strip,noise inspection,Optical detection,car instrument,Anti-defibrillation pacing,Leather Products,agriculture,gantry processing,set bacteria instrument,surgical instruments
Similar models:31313/DF 31313
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1060 VE R	1008	-	-	Seals
1550162	393.7	428.63	15.88	Seals
25597	65.1002	88.9	11.13	Seals
405353	521	-	-	Seals
51109 V/HR22Q2	45	65	14	Bearings, units and housings
7013 ACE/P4A	65	100	18	Bearings, units and housings
7310 BEGAY	50	110	27	Bearings, units and housings
9308	23.8252	41.25	6.35	Seals
K 60x68x25	60	68	25	Bearings, units and housings
NU 203 ECML	17	40	12	Bearings, units and housings
S7011 CE/HCP4A	55	90	18	Bearings, units and housings
T4CB 100	100	145	24	Bearings, units and housings

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