Bearings
Angular Contact Bearings
Angular Contact Bearings
Quick Code: BB-515796
3308 ANR SKF Angular Contact Ball Bearing 40mm x 90mm x 36.5mm
3308 ANR SKF Angular Contact Ball Bearing
This precision SKF double row angular contact ball bearing is engineered to deliver exceptional performance in applications requiring simultaneous radial and axial load handling. With a 40mm bore diameter and substantial 36.5mm width, the 3308 ANR combines robust load capacity with reliable precision, making it ideal for heavy-duty industrial machinery and demanding rotating equipment where durability and performance are critical.
Design & Construction
The double row configuration provides superior load-carrying capability, enabling this bearing to manage complex loading conditions with exceptional efficiency in high-demand industrial environments.
- Double row angular contact design optimizes load distribution across multiple contact points
- 30-degree contact angle for balanced radial and axial load capacity and smooth operation
- Strategically displaced raceways in both inner and outer rings accommodate complex loading with precision
- Sheet steel cage construction ensures reliable operation under demanding conditions
- Standard bearing steel construction delivers superior durability and extended service life
- Open bearing design (no seal) for straightforward installation and maintenance
- Ring groove with circlip on outer ring for secure axial positioning and simplified mounting
- Normal radial clearance for versatile industrial applications
Specifications
- Reference Number: 3308 ANR
- Manufacturer: SKF
- Bore Diameter: 40mm
- Outer Diameter: 90mm
- Width: 36.5mm
- Row Type: Double Row
- Contact Angle: 30 degrees
- Cage Material: Sheet steel
- Seal Type: Open bearing (none)
- Outer Ring: Ring groove with circlip
- Radial Clearance: Normal
- Material: Standard bearing steel
- Tolerance Class: P6 / ABEC 3
- Operating Temperature Range: -20°C to +150°C
- Arrangement: Standard version
Features & Benefits
- 30-degree contact angle optimized for balanced axial and radial load capacity
- Double row configuration provides increased load capacity in a compact footprint relative to bore size
- Sheet steel cage design ensures robust operation under heavy-duty conditions
- P6/ABEC 3 tolerance class delivers precision and accuracy for industrial applications
- Extended operating temperature range (-20°C to +150°C) accommodating harsh industrial environments
- Ring groove with circlip on outer ring simplifies installation and provides secure axial retention
- Open bearing design allows for easy inspection, cleaning, and maintenance
- SKF engineering excellence ensures reliability and extended operational life
Ideal Applications
The 3308 ANR is well-suited for:
- Heavy-duty gearboxes and transmission systems
- Industrial pumps and compressors requiring dual-load handling
- Large electric motors and rotating machinery
- Machine tool equipment with demanding load requirements
- Automotive and industrial drivetrain applications
- Conveyor systems and material handling equipment
- Applications requiring extended temperature performance and robust construction
The combination of double-row configuration, 30-degree contact angle, sheet steel cage construction, and robust outer ring design with circlip makes the 3308 ANR an excellent choice for heavy-duty industrial applications demanding reliable performance with enhanced load capacity in demanding environments with elevated temperature requirements.

