Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31313/DF

31313/DF

SKF Explorer

Dimensions

d		65	mm
D		140	mm
T		72	mm
2B		66	mm
b		12	mm
K		9	mm
r_3,4	min.	2.5	mm
r₅	min.	1	mm

Abutment dimensions

d_a	max.	80	mm
D_a	min.	111	mm
D_a	max.	129.5	mm
C_a	min.	5	mm
r_a	max.	2.5	mm
r_c	max.	1	mm

Calculation data

Basic dynamic load rating	C	348	kN
Basic static load rating	C₀	380	kN
Fatigue load limit	P_u	47.5	kN
Reference speed		2800	r/min
Limiting speed		4800	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

4.98

Model Number: 31313/DF
Inner Diameter：65mm Outer Diameter：140mm Width：-mm
Reference speed:4800 r/min Limiting speed:2800 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：2026-06-24
Application:horizontal processing,hot and cold box,Switch,milling head plug,joint protection,car instrument,medical treatment,Laser Devices,marine analysis,Vertical machining,miscellaneous instruments
Similar models:31313 31313/DF
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Model No. Inner Diameter Outer Diameter Width Type

11545
12545
26x42x8 CRS1 R
42x72x8 HMSA10 V
HE 2334

Purchase the SKF 31313/DF Matched single row tapered roller bearings arranged face-to-face Please fill in the following

Hot number： 23984 CC/W33 32314 B 32317 B 401100 405500 61892 MA 71911 CE/P4A 71918 ACE/P4AL 7x22x7 HMSA10 RG 89432 M AMS 22 ABP P 25 TR P 85 R-40 FM SAF 23052 KA x 9.1/2 SY 50 FM

Model No.	Inner Diameter	Outer Diameter	Width	Type
11545
12545
26x42x8 CRS1 R
42x72x8 HMSA10 V
HE 2334