Bearings, units and housings -- Ball bearings -- Angular contact ball bearings -- Double row angular contact ball bearings -- Angular contact ball bearings, double row SKF 3311 A

3311 A

SKF Explorer

Dimensions

d		55	mm
D		120	mm
B		49.2	mm
d₂	≈	68.4	mm
D₂	≈	109.4	mm
r_1,2	min.	2	mm
a		72	mm

Abutment dimensions

d_a	min.	66	mm
D_a	max.	109	mm
r_a	max.	2	mm

Calculation data

Basic dynamic load rating	C	112	kN
Basic static load rating	C₀	81.5	kN
Fatigue load limit	P_u	3.45	kN
Reference speed		5300	r/min
Limiting speed		5300	r/min
Calculation factor	k_r	0.07
Calculation factor	e	0.8
Calculation factor	X	0.63
Calculation factor	Y₀	0.66
Calculation factor	Y₁	0.78
Calculation factor	Y₂	1.24

Mass

Mass bearing

2.65

Model Number: 3311 A
Inner Diameter：55mm Outer Diameter：120mm Width：49.2mm
Reference speed:5300 r/min Limiting speed:5300 r/min
Type：Bearings, units and housings Ball bearings Angular contact ball bearings Double row angular contact ball bearings
Details： Double row angular contact ball bearings Angular contact ball bearings, double row
Update date：2026-04-16
Application:generator,hydraulic actuator,instrumentation instrument,shaft milling machine,Blood coagulation reagent,plastic molding,Pneumatic Actuator,container finishing,lifting upgrade,vacuum suction cup,knitted fabrics
Similar models:33111T88/DB 33113 R BT4B 331123 DG/HA1 3311 A-2Z 33117 BT4B 331161 AG/HA4 33113 3311 A 331159 A BT4B 331189 E/C600
BEARING POWER International Trading Co.,Ltd. specialize in 3311A products，there is large inventory of SKF 3311 A Double row angular contact ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 3311 A Which SKF 3311A 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
11673	29.9974	54.0004	8.9916	Seals
331148 A	584.2	762	-	Bearings, units and housings
48768	123.825	158.75	12.7	Seals
51409	45	100	39	Bearings, units and housings
6205-2ZNR	25	52	15	Bearings, units and housings
7219 ACD/P4A	95	170	32	Bearings, units and housings
7406 BM	30	90	23	Bearings, units and housings
91705	-	-	50	Seals
NJ 2313 ECPH	65	140	48	Bearings, units and housings
RNA 6917	100	120	63	Bearings, units and housings
SAF 1218 TLC	90	-	-	Bearings, units and housings
XHCE 060/OK 160	160	457	-	Coupling systems

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