Description
The 3210 ATN9 is a double row angular contact ball bearing designed for high-speed and high-load applications where compactness is essential. Its back-to-back arrangement allows it to support significant radial and axial loads in both directions while reducing required axial space compared to a pair of single row angular contact bearings.
Featuring a 50 mm bore, 90 mm outside diameter, and 30.2 mm width, this bearing has a basic dynamic load rating of 51 kN and a static load rating of 42.5 kN. With a CN axial internal clearance, it operates reliably under varying load conditions and maintains performance at reference speeds up to 8,000 r/min and limiting speeds of 7,000 r/min.
Constructed from premium bearing steel with non-metallic cages, the 3210 ATN9 is ideal for industrial machinery, pumps, and gearboxes where compact design, high-speed capability, and robust load handling are critical.
Specifications
| Attribute | Details |
|---|---|
| Part Number | 3210 ATN9 |
| Bearing Type | Double row angular contact ball bearing |
| Bore Diameter | 50 mm |
| Outside Diameter | 90 mm |
| Width | 30.2 mm |
| Number of Rows | 2 |
| Contact Angle | 30° |
| Cage | Non-metallic |
| Axial Internal Clearance | CN |
| 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 | 51 kN |
| Basic Static Load Rating | 42.5 kN |
| Reference Speed | 8,000 r/min |
| Limiting Speed | 7,000 r/min |
| Indicative Carbon Footprint | 2.4 kg CO2e |
| Net Weight | 0.667 kg |
| eClass Code | 23-05-08-03 |
| UNSPSC Code | 31171531 |
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