Z-505057.SKL Angular Contact Ball Bearings, Double Row ,
The Z-505057.SKL 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 Z-505057.SKL bearing is a Angular contact ball bearings, Double row with an inner diameter of 260 mm , an outer diameter of 400 mm, a width of 130 mm. It typically uses PN grade precision tolerances and bearing steel rings, bearing steel rolling mlement. Its dynamic radial rated load is approximately 539997 N, its static radial rated load is approximately 1019987 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Z-505057.SKL bearings ( 260 mm x 400 mm x 130 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 | Z-505057.SKL |
| Bearing Type | Angular contact ball bearings, Double row |
| Series | Z5-..SKL |
| Contact angle - α [°] | 40 |
| Rows NO. | single |
| m Weight [kg] | 61.5 |
| Reference From | FAG Z-505057.SKL |
| Dimensions | |
| d φ Inside [inch] | 10.236 |
| D Φ Outside [inch] | 15.748 |
| B Width [inch] | 5.118 |
| r(min.) [inch] | 0.157 |
| r1(min.) [inch] | 0.157 |
| D1 [inch] | 14.685 |
| d1 [inch] | 11.417 |
| a [inch] | 13.465 |
| Performance | |
| Cr Radial Dynamic [N] | 539997 |
| C0r Radial static [N] | 1019987 |
| Cur Radial Fatigue [N] | 29965 |
| nG Limiting speed (oil) [r/min] | 1375 |
| Mounting dimensions | |
| da(min.) [inch] | 10.905 |
| Da(max.) [inch] | 15.079 |
| ra(max.) [inch] | 0.118 |
| ra1(max.) [inch] | 0.118 |
The Z-505057.SKL 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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