Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31320 X/DF

31320 X/DF

Dimensions

d		100	mm
D		215	mm
T		113	mm
2B		102	mm
b		13.15	mm
K		10	mm
r_3,4	min.	3	mm
r₅	min.	1	mm

Abutment dimensions

d_a	max.	121	mm
D_a	min.	168	mm
D_a	max.	202.5	mm
C_a	min.	7	mm
r_a	max.	3	mm
r_c	max.	1	mm

Calculation data

Basic dynamic load rating	C	685	kN
Basic static load rating	C₀	930	kN
Fatigue load limit	P_u	102	kN
Reference speed		1700	r/min
Limiting speed		3000	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

18.4

Model Number: 31320 X/DF
Inner Diameter：100mm Outer Diameter：215mm Width：-mm
Reference speed:3000 r/min Limiting speed:1700 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:linear drive,hydraulic pressure gauge,Safety protection,Pneumatic Actuator,Hydraulic Press,organic raw materials,Textile Industry Accessories and Accessories,medical treatment,small appliances,Cylinder Standard,suction nozzle
Similar models:31320 X/DF 31320T125 X/DB 31320 X
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Model No. Inner Diameter Outer Diameter Width Type

14282
313499 B
400285
K 81105 TN
PCZ 4832 E

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Model No.	Inner Diameter	Outer Diameter	Width	Type
14282
313499 B
400285
K 81105 TN
PCZ 4832 E