Bearings, units and housings -- Roller bearings -- Tapered roller bearings -- Single row tapered roller bearings -- Tapered roller bearings, single row SKF 30311

30311

SKF Explorer

Dimension series

2FB

Dimensions

d		55	mm
D		120	mm
T		31.5	mm
d₁	≈	84	mm
B		29	mm
C		25	mm
r_1,2	min.	2.5	mm
r_3,4	min.	2	mm
a		23.986	mm

Abutment dimensions

d_a	max.	72	mm
d_b	min.	66.5	mm
D_a	min.	104	mm
D_a	max.	110.5	mm
D_b	min.	111	mm
C_a	min.	4	mm
C_b	min.	6.5	mm
r_a	max.	2.5	mm
r_b	max.	2	mm

Calculation data

Basic dynamic load rating	C	176	kN
Basic static load rating	C₀	163	kN
Fatigue load limit	P_u	19.3	kN
Reference speed		4800	r/min
Limiting speed		5600	r/min
Calculation factor	e	0.35
Calculation factor	Y	1.7
Calculation factor	Y₀	0.9

Mass

Mass bearing

1.56

Model Number: 30311
Inner Diameter：55mm Outer Diameter：120mm Width：31.5mm
Reference speed:5600 r/min Limiting speed:4800 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:knitted fabrics,insect experimental analysis instrument,engineering machinery,shaft milling machine,Warehouse Shelf Equipment,DC generators,equipment,Anesthetic Equipment,tire industry,water,Leather Products
Similar models:30311
BEARING POWER International Trading Co.,Ltd. specialize in 30311 products，there is large inventory of SKF 30311 Single row tapered roller bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 30311 Which SKF 30311 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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400384	34	-	-	Seals
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7012 ACE/HCP4A	60	95	18	Bearings, units and housings
71913 CD/P4A	65	90	13	Bearings, units and housings
71915 CE/P4AL	75	105	16	Bearings, units and housings
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PCZ 1412 M	22.225	25.4	19.05	Bearings, units and housings
S7206 ACD/P4A	30	62	16	Bearings, units and housings
W 639/2-2Z	2	6	3	Bearings, units and housings

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