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-2Z

3311 A-2Z

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.	68	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-2Z
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:Industrial,Performance test,Forging machine,cleaning agent,tower crane,thin metal materials,marine test,Hydraulic Hose,Logistics Equipment,metallurgy,Embroidery
Similar models:3311 DNRCBM 33117 33116 331165 A 331165 AG 3311 A-2RS1 33112 33115/DF 331169 E/C500 BT4B 331168 B
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Model No.	Inner Diameter	Outer Diameter	Width	Type
14566	37.0078	56.007	8.9916	Seals
401505	135	-	-	Seals
40x70x8 CRW1 R	40	70	8	Seals
51204 V/HR11T1	20	40	14	Bearings, units and housings
55x70x10 HMS5 V	55	70	10	Seals
8x24x7 HMSA10 RG	8	24	7	Seals
9688	24.6126	52.02	9.53	Seals
AOH 31/850	800	850	462	Bearings, units and housings
NNCF 5040 CV	200	310	150	Bearings, units and housings
SAFS 22544 x 7.13/16 T	198.4375	-	-	Bearings, units and housings
SYE 1 1/2 N-118	38.1	-	-	Bearings, units and housings
YELAG 209-111	42.863	85	42.8	Bearings, units and housings

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