Description
The 3306 ATN9/C3 is a double row angular contact ball bearing engineered for compact and high-performance machinery. Its back-to-back configuration provides a stiff bearing arrangement with reduced axial space requirements compared to two single row angular contact bearings.
With a 30 mm bore, 72 mm outside diameter, and 30.2 mm width, this bearing features a 30° contact angle for efficient load distribution. It has a basic dynamic load rating of 42.5 kN and a static load rating of 30 kN, capable of operating at speeds up to 10,000 r/min. The C3 radial internal clearance ensures reliable performance under varying operating conditions.
Constructed from high-quality bearing steel with a non-metallic cage, the 3306 ATN9/C3 is suitable for applications where compact design, high-speed capability, and efficient load handling are critical. Typical applications include pumps, gearboxes, and industrial machinery requiring robust and precise bearings.
Specifications
| Attribute | Details |
|---|---|
| Part Number | 3306 ATN9/C3 |
| Bearing Type | Double row angular contact ball bearing |
| Bore Diameter | 30 mm |
| Outside Diameter | 72 mm |
| Width | 30.2 mm |
| Number of Rows | 2 |
| Contact Angle | 30° |
| Cage | Non-metallic |
| Axial Internal Clearance | C3 |
| Sealing | Without |
| Lubricant | None |
| Material | Bearing steel |
| Coating | Without |
| Locating Feature | Without |
| Arrangement of Contact Angle | Back-to-back (O) |
| Matched Arrangement | No |
| Universal Matching Bearing | No |
| Basic Dynamic Load Rating | 42.5 kN |
| Basic Static Load Rating | 30 kN |
| Reference Speed | 10,000 r/min |
| Limiting Speed | 9,000 r/min |
| Indicative Carbon Footprint | 1.87 kg CO2e |
| Net Weight | 0.52 kg |
| eClass Code | 23-05-08-03 |
| UNSPSC Code | 31171531 |
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