Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 31311

31311

SKF Explorer

Dimension series

7FB

Dimensions

d		55	mm
D		120	mm
T		31.5	mm
d₁	≈	88.4	mm
B		29	mm
C		21	mm
r_1,2	min.	2.5	mm
r_3,4	min.	2	mm
a		37.064	mm

Abutment dimensions

d_a	max.	68	mm
d_b	min.	66.5	mm
D_a	min.	94	mm
D_a	max.	111	mm
D_b	min.	113	mm
C_a	min.	4	mm
C_b	min.	10.5	mm
r_a	max.	2.5	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	149	kN
Basic static load rating	C₀	137	kN
Fatigue load limit	P_u	16.6	kN
Reference speed		4300	r/min
Limiting speed		5600	r/min
Calculation factor	e	0.83
Calculation factor	Y	0.72
Calculation factor	Y₀	0.4

Mass

Mass bearing

1.54

Model Number: 31311
Inner Diameter：55mm Outer Diameter：120mm Width：31.5mm
Reference speed:5600 r/min Limiting speed:4300 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：2025-12-09
Application:Spectrum Products,hanging clamp,comprehensive experiment,,turret industry,floor industry,safety testing,Industrial equipment,extruder,Spectrum Products,Insect Capture
Similar models:31311/DF 31311
BEARING POWER International Trading Co.,Ltd. specialize in 31311 products，there is large inventory of SKF 31311 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 31311 Which SKF 31311 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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11410	28.575	73.03	11.91	Seals
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9815	25.4	31.75	3.18	Seals
99313	80	89.916	22.5044	Seals
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PFD 3/4 TR	19.05	-	-	Bearings, units and housings
SNL 3148	176.2125	-	-	Bearings, units and housings
W 619/7-2RZ	7	17	5	Bearings, units and housings

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