Polyamide Cage 95BTR10ETYNDBELP4A Super Precision Angular Contact Thrust Ball Bearings
The 95BTR10ETYNDBELP4A Ultra-precision angular contact thrust ball bearings are designed for high-load, high-speed applications with stringent requirements for axial runout, and are widely used in precision machine tool spindles, ball screws, industrial robot joints, aero-engine accessory transmission systems, and high-precision centrifuges.
The 95BTR10ETYNDBELP4A bearing is a Super Precision Angular Contact Thrust Ball Bearings, High-Speed with an inner diameter of 95 mm , an outer diameter of 145 mm, a width of 45 mm. It typically uses P4A grade precision tolerances and Bearing steel (SUJ2) rings, Ultra long life bearing rolling elements (EQTF) rolling mlement. Its dynamic axial rated load is approximately 50861 N, its static axial rated load is approximately 109289 N. together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
95BTR10ETYNDBELP4A bearings ( 95 mm x 145 mm x 45 mm) have the advantages of perfect balance of rotational accuracy, speed and rigidity, and are therefore widely used in the Machine tools, ball screw, aerospace, medical equipment.
| Part Number | 95BTR10ETYNDBELP4A |
| Interchangeable | NSK 95BTR10ETYNDBELP4A |
| Contact Angle [°] | 40 |
| Bearing Type | Super Precision Angular Contact Thrust Ball Bearings, High-Speed |
| Arrangement row | Two |
| Arrangement | DB = Back-to-back arrangement (<>) |
| Dimension series | 10 = 10 Series bore and outside diameter, special width |
| Type | BTR |
| Bearing Mass - m [lb] | 2.7557 |
| Ca Dynamic Axial [lbf] | 11433 |
| C0a Static Axial [lbf] | 24568 |
| nB Speed ratings (grease) [rpm] | 5867 |
| nG Speed ratings (oil) [rpm] | 7564 |
| d φ Inside [inch] | 3.7402 |
| D Φ Outside [inch] | 5.7087 |
| 2B Total Width [inch] | 1.7717 |
| r min Chamfer [inch] | 0.0591 |
| r1 min Chamfer [inch] | 0.0394 |
| ra max Fillet Radius [inch] | 0.0591 |
| rb max Fillet Radius [inch] | 0.0315 |
| a Effective Load Center [inch] | 2.4016 |
| da min Abutment Dimensions Shaft [inch] | 4.0945 |
| Db max Abutment Dimensions Housing [inch] | 5.4724 |
| Pa Permissible Axial Load [lbf] | 13658 |
| Preload | EL = Extra light preload |
| Preload (EL) [lbf] | 118 |
| Axial Rigidity (EL) [N/µm] | 433 |
| Measured axial clearance (EL) [µm] | -5 |
The core design of ultra-precision angular contact thrust ball bearings lies in their large contact angle (typically 60°) and high-precision matching steel balls, which can simultaneously withstand heavy axial loads and radial loads. With optimized raceway geometry and cage, they achieve extremely low friction and high rigidity, ensuring that they maintain nanometer-level rotational accuracy and excellent axial positioning capability during high-speed operation.
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