Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-504887
3311-DMA SKF Double Row Angular Contact Ball Bearing
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Product Specification
Arrangement
Standard version
Brand
SKF
Cage
Brass cage
Clearance
Normal radial clearance
Contact angle
Without indication, usually 30-40 degrees
Inside Dia
55mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
120mm
Row Type
Double
Seal
None, open bearing
Temperature range
-20 to +150 °C
Tolerance class
Tolerance class P6 / ABEC 3
Width
49.2mm
Reference
3311-DMA
Additional Reference:
10078600
Quick Order Code
BB-504887
Product Description
3311-DMA SKF Double Row Angular Contact Ball Bearing
This premium SKF double row angular contact ball bearing is engineered for demanding high-speed applications requiring simultaneous radial and axial load handling in both directions. The 3311-DMA delivers exceptional precision and reliability, making it an ideal choice for heavy-duty industrial equipment and precision machinery.
Key Specifications:
- Bore Diameter: 55mm
- Outer Diameter: 120mm
- Width: 49.2mm
- Row Type: Double Row
- Contact Angle: 30-40° (standard)
- Manufacturer: SKF
- Reference: 3311-DMA
Features & Benefits:
- Double row configuration for enhanced load capacity and bidirectional axial load handling
- Brass cage construction provides excellent stability and smooth operation
- Normal radial clearance for optimal performance in standard mounting applications
- Open bearing design (no seals) allows for flexible mounting arrangements
- Tolerance class P6 / ABEC 3 ensures precision and reliability
- Standard bearing steel construction for durability and extended service life
- SKF quality assurance backed by the world's leading bearing manufacturer
- Operating temperature range: -20°C to +150°C
Ideal Applications:
- Gearbox assemblies and transmission systems
- Industrial spindle systems
- Heavy-duty machinery requiring bidirectional axial loads
- Automotive and agricultural equipment
- Compressors and pumps
- Electric motors and generators
- High-speed precision rotating machinery
The 3311-DMA is an excellent choice for applications demanding reliable performance in challenging operating conditions. For availability or alternative bearing sizes, please contact us.
