Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31311/DF

31311/DF

SKF Explorer

Dimensions

d		55	mm
D		120	mm
T		63	mm
2B		58	mm
b		10	mm
K		7.5	mm
r_3,4	min.	2	mm
r₅	min.	0.6	mm

Abutment dimensions

d_a	max.	68	mm
D_a	min.	94	mm
D_a	max.	111	mm
C_a	min.	4	mm
r_a	max.	2	mm
r_c	max.	0.6	mm

Calculation data

Basic dynamic load rating	C	256	kN
Basic static load rating	C₀	275	kN
Fatigue load limit	P_u	33.5	kN
Reference speed		3400	r/min
Limiting speed		5600	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

3.25

Model Number: 31311/DF
Inner Diameter：55mm Outer Diameter：120mm Width：-mm
Reference speed:5600 r/min Limiting speed:3400 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：2026-04-16
Application:ventilation fans,flexible processing,Oral Equipment,Small air generators,Pneumatic Actuator,Medical printer,economic mold,spreader series,product accessories,medical Equipment,training beds etc
Similar models:31311 31311/DF
BEARING POWER International Trading Co.,Ltd. specialize in 31311/DF products，there is large inventory of SKF 31311/DF Matched tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31311/DF Which SKF 31311/DF 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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7416 CBM	80	200	48	Bearings, units and housings
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FSAF 22617 TLC	74.6125	-	-	Bearings, units and housings
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SHR 24	24	-	-	Coupling systems

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