Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Matched tapered roller bearings -- Matched single row tapered roller bearings arranged face-to-face SKF 31318/DF

31318/DF

Dimensions

d		90	mm
D		190	mm
T		93	mm
2B		86	mm
b		15	mm
K		10	mm
r_3,4	min.	3	mm
r₅	min.	1	mm

Abutment dimensions

d_a	max.	110	mm
D_a	min.	151	mm
D_a	max.	177.5	mm
C_a	min.	5	mm
r_a	max.	3	mm
r_c	max.	1	mm

Calculation data

Basic dynamic load rating	C	486	kN
Basic static load rating	C₀	630	kN
Fatigue load limit	P_u	71	kN
Reference speed		1900	r/min
Limiting speed		3400	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

11.4

Model Number: 31318/DF
Inner Diameter：90mm Outer Diameter：190mm Width：-mm
Reference speed:3400 r/min Limiting speed:1900 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:education model Instruments,equipment,generator,instrument,Individual Wire,standing experimental equipment,other mold,motorcycle,spring industry,cleaners,Technical Equipment
Similar models:313189 A 31318/DF 31318
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Model No. Inner Diameter Outer Diameter Width Type

71805 CD/P4
71828 ACD/P4
81276 M
NKIB 5914
RNA 6907

Purchase the SKF 31318/DF Matched single row tapered roller bearings arranged face-to-face Please fill in the following

Hot number： 24989 51212 6413 71930 CD/HCP4AH1 7220 CD/P4A C 2207 TN9 GB 3018 MB 31 NCF 2228 ECJB NJ 215 ECM NU 326 ECM/C3VL2071 OKBS 64 SAF 22526 x 4.3/8 TLC SAW 23534 x 5.13/16 T W 617/4 R

Model No.	Inner Diameter	Outer Diameter	Width	Type
71805 CD/P4
71828 ACD/P4
81276 M
NKIB 5914
RNA 6907