Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-502068
3903-2RS INA Double Row Angular Contact Ball Bearing 17mm x 30mm x 10mm
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Product Specification
Arrangement
Standard version
Brand
INA
Cage
Sheet steel cage
Clearance
Normal radial clearance
Contact angle
Without indication, usually 30-40 degrees
Inside Dia
17mm
Material
Standard bearing steel
Outer ring
Without flange/groove
Outside Dia
30mm
Row Type
Double
Seal
Lip seal on both sides
Temperature range
-20 to +120 °C
Tolerance class
Tolerance class P0/PN2 / ABEC 1
Width
10mm
Reference
3903-2RS
Additional Reference:
10066946
Quick Order Code
BB-502068
Product Description
3903-2RS INA Double Row Angular Contact Ball Bearing
The 3903-2RS is a compact double row angular contact ball bearing manufactured by INA, designed to handle simultaneous radial and axial loads with excellent precision. This sealed bearing is ideal for high-speed applications requiring reliable performance in a minimal footprint, making it a popular choice for space-constrained industrial equipment.
Key Specifications:
- Bore Diameter: 17mm
- Outside Diameter: 30mm
- Width: 10mm
- Row Type: Double Row
- Manufacturer: INA
- Reference: 3903-2RS
- Contact Angle: 30-40 degrees (standard)
- Radial Clearance: Normal
- Tolerance Class: P0/PN2 (ABEC 1)
Design Features:
- Double row configuration for increased load capacity compared to single row bearings
- Lip seals on both sides (2RS) for protection against contaminants and extended bearing life
- Sheet steel cage for reliable ball retention and smooth operation
- Standard bearing steel construction ensuring durability and dependable performance
- Operating temperature range: -20°C to +120°C
- Non-flanged outer ring design for versatile mounting applications
Typical Applications:
- Electric motor spindles and precision machinery
- Gearbox assemblies and transmission systems
- Small pumps and compressors
- Industrial automation equipment
- High-speed rotating equipment requiring compact bearing solutions
The 3903-2RS combines robust engineering with sealed protection, making it an excellent choice for demanding applications where both radial and axial load capacity are required in a compact package.
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