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：2026-06-24
Application:power source,spreader series,Industrial Adhesive,Laser Cutting,small diesel generators,Ball screw,Dental Equipment,Textile Accessories,Chromatography Products,natural instruments,Pneumatic Actuator
Similar models:31311/DF 31311
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.
Model No. Inner Diameter Outer Diameter Width Type

16100/HR11TN
NNU 41/1500 K30M/W33
NU 1015 ML
S7019 ACD/P4A
SAF 22536 x 6.1/2 T

Purchase the SKF 31311/DF Matched single row tapered roller bearings arranged face-to-face Please fill in the following

Hot number： 10x24x7 HMSA10 V 15141 22x45x7 HMSA10 RG 31315/DF 4909 53420 M + U 420 BC4B 322264/HB1 BTM 150 AM/P4CDB FY 45 WDW PPM 252815 PSM 061412 A51 RNU 1052 ML SAF 1611 x 1.7/8 T SAFS 23034 KA x 5.15/16 W 61800-2RZ

Model No.	Inner Diameter	Outer Diameter	Width	Type
16100/HR11TN
NNU 41/1500 K30M/W33
NU 1015 ML
S7019 ACD/P4A
SAF 22536 x 6.1/2 T