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

3311 DMA

Dimensions

d		55	mm
D		120	mm
B		49.2	mm
d₁	≈	81.4	mm
D₁	≈	104.4	mm
r_1,2	min.	2	mm
a		114	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	111	kN
Basic static load rating	C₀	100	kN
Fatigue load limit	P_u	4.3	kN
Reference speed		4800	r/min
Limiting speed		5000	r/min
Calculation factor	k_r	0.095
Calculation factor	e	1.34
Calculation factor	X	0.54
Calculation factor	Y₀	0.44
Calculation factor	Y₁	0.47
Calculation factor	Y₂	0.81

Mass

Mass bearing

2.82

Model Number: 3311 DMA
Inner Diameter：55mm Outer Diameter：120mm Width：49.2mm
Reference speed:5000 r/min Limiting speed:4800 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：2026-06-24
Application:Broadcasting System,Spectrum Products,Antenna Potentials,walking Food processing machinery and equipment,surgical instruments,Embroidery,Surveying Surveying Instruments,large agricultural machinery,relay,instrumentation instrument,Industrial Electromechanical
Similar models:BT4B 331161 BG/HA1 BT4B 331168 B 33116/DF 33113 33110 331197 A 33115/DF BT4B 331123 DG/HA1 BT4B 331161 AG/HA4 331165 AG
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Model No. Inner Diameter Outer Diameter Width Type

28670
65x120x12 HMSA10 RG
IR 12x15x12
NNU 4884/W33
SAFS 22538 x 6.13/16 TLC

Purchase the SKF 3311 DMA Angular contact ball bearings, double row Please fill in the following

Hot number： 13944 212 NR 230x269x22 HS5 R BD-241/750 ECAK30/W33-AOH 241/750 G 314420 53414 M + U 414 7006 ACE/P4AL1 7020 CE/P4AH1 FYTB 15 FM FYTB 45 TR HJ 2256 EC NUP 2308 ECP OKC 085 OKC 710 OKCX 690

Model No.	Inner Diameter	Outer Diameter	Width	Type
28670
65x120x12 HMSA10 RG
IR 12x15x12
NNU 4884/W33
SAFS 22538 x 6.13/16 TLC