Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31318

31318

Dimension series

7GB

Dimensions

d		90	mm
D		190	mm
T		46.5	mm
d₁	≈	138.88	mm
B		43	mm
C		30	mm
r_1,2	min.	4	mm
r_3,4	min.	3	mm
a		57.28	mm

Abutment dimensions

d_a	max.	110	mm
d_b	min.	105.5	mm
D_a	min.	151	mm
D_a	max.	177.5	mm
D_b	min.	179	mm
C_a	min.	5	mm
C_b	min.	16.5	mm
r_a	max.	4	mm
r_b	max.	3	mm

Calculation data

Basic dynamic load rating	C	283	kN
Basic static load rating	C₀	315	kN
Fatigue load limit	P_u	35.5	kN
Reference speed		2400	r/min
Limiting speed		3400	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

5.39

Model Number: 31318
Inner Diameter：90mm Outer Diameter：190mm Width：46.5mm
Reference speed:3400 r/min Limiting speed:2400 r/min
Type：Bearings, units and housings Roller bearings Tapered roller bearings Single row tapered roller bearings
Details： Single row tapered roller bearings Tapered roller bearings, single row
Update date：2026-04-16
Application:relay,orthodontic material,medical treatment,Perfusion device,Machine tools,power source,enzyme,crimping tools,Pneumatic Actuator,Spectral Products,Surveying Surveying Instruments
Similar models:31318 313189 A 31318/DF
BEARING POWER International Trading Co.,Ltd. specialize in 31318 products，there is large inventory of SKF 31318 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31318 Which SKF 31318 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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