3314-BD Angular Contact Ball Bearings Double Row, Open, Stamping Steel Cage
The 3314-BD They are widely used in equipment with high requirements for axial rigidity and space efficiency, including: automotive wheel hubs, industrial robots (wrist), machine tool spindles (lathes), electric fans (spindle supports), turbochargers, and medical devices (high-speed centrifuges).
The 3314-BD bearing is a Angular contact ball bearings Double row Open with an inner diameter of 70 mm , an outer diameter of 150 mm, a width of 63.5 mm. It typically uses P6 grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 171964 N, its static radial rated load is approximately 134962 N. It uses CN standard radial clearance, Open type, together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
3314-BD bearings ( 70 mm x 150 mm x 63.5 mm) have the advantages of It can withstand radial and bidirectional axial loads simultaneously, has a compact structure, good rigidity, and is easy to install, and are therefore widely used in the Automotive wheel hub units, pumps, compressors, industrial gearboxes, and machine tool spindles.
| Part Number | 3314-BD |
| Design Type | B = Bearing without filling slot |
| Bearing Type | Angular contact ball bearings Double row Open |
| Series | 33..-BD-XL |
| X-Life | XL long life design |
| Contact angle - α [°] | 30 |
| Rows NO. | double |
| Manufacturer Part Code | 3314-BD |
| Radial internal clearances | CN |
| Cage | JH = Stamping steel cage |
| Equivalent | 3314-BD |
| Lubricant | Without |
| Seal type | Open |
| Heat stabilization | S0 = up to 150° |
| m Weight [kg] | 4.59 |
| Reference From | FAG 3314-BD |
| Dimensions | |
| d φ Inside [inch] | 2.756 |
| D Φ Outside [inch] | 5.905 |
| B Width [inch] | 2.500 |
| r(min.) [inch] | 0.083 |
| D1 [inch] | 5.087 |
| d1 [inch] | 3.948 |
| a [inch] | 3.520 |
| Performance | |
| Cr Radial Dynamic [N] | 171964 |
| C0r Radial static [N] | 134962 |
| Cur Radial Fatigue [N] | 8887 |
| nG Limiting speed (oil) [r/min] | 4528 |
| nB Reference speed (grease) [r/min] | 5096 |
| Mounting dimensions | |
| da(min.) [inch] | 3.228 |
| Da(max.) [inch] | 5.433 |
| ra(max.) [inch] | 0.083 |
The 3314-BD Double-row angular contact ball bearings primarily consist of an integral inner ring (or double-half inner ring), an integral outer ring, two rows of balls, and a cage. The contact angle is typically 25°, 30°, or 35°, with the two rows of balls arranged back-to-back, providing bidirectional axial load capacity.
A single bearing can withstand both radial and bidirectional axial loads, eliminating the need for paired installation. They offer high axial rigidity and excellent resistance to overturning moments, making them suitable for handling instantaneous overloads. The integral design simplifies installation, saves space, and is widely used in applications requiring compact designs.
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