7036 ACD/P4ATBTB
7000 Series Super Precision Angular Contact Ball Bearings
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Basic Information
Main Dimensions
Ball & Washer Dimensions
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7036 ACD/P4ATBTB Bearing Product Overview & Core Advantages
The 7036 ACD/P4ATBTB is a precision angular contact ball bearing configured as a triplex back-to-back (TBT) matched set. Engineered to the exacting P4A tolerance class, this bearing arrangement delivers exceptional system rigidity and is optimized to handle combined loads, including significant radial loads and thrust loads from both directions. Its light preload (Class B) ensures precise rotational accuracy, making it ideal for high-performance applications demanding maximum stiffness and minimal runout.
7036 ACD/P4ATBTB Bearing Model Code Explained, Specifications & Naming Convention
| Code Segment | Technical Meaning |
|---|---|
| 7036 | Basic bearing series, defining the core dimensions: 180mm bore, 280mm OD, 138mm width. |
| ACD | Angular Contact design with a 25° contact angle for optimal thrust capacity. |
| P4A | Indicates a high-precision tolerance class with very tight running accuracy limits. |
| TBT | Specifies the bearing is part of a Triplex Back-to-Back matched set of 3 bearings. |
7036 ACD/P4ATBTB Bearing Structural Features & Performance Benefits
Unmatched Rigidity: The triplex back-to-back (TBT) arrangement creates an extremely rigid bearing system, effectively resisting complex moment loads and shaft deflection. This is critical for maintaining precision under heavy combined loads.
High-Speed Capability: The phenolic cage offers low weight and excellent performance at high speeds, contributing to the bearing's limiting speed of 16,250 rpm. The 25° contact angle provides a balanced design for both speed and load capacity.
Superior Load Ratings: Manufactured from chrome steel for both rings and balls, this bearing offers high dynamic (111,150 lbf) and static (186,750 lbf) load ratings, ensuring long service life under demanding conditions.
Pre-Configured Performance: As a factory-matched set with a light preload, the bearings are ready for installation, eliminating complex on-site adjustment and guaranteeing immediate, optimal system performance.
7036 ACD/P4ATBTB Bearing Typical Application Areas
This high-rigidity, precision bearing set is designed for the most demanding industrial machinery, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers where precision and rigidity are paramount.
- High-Frequency Spindles: In PCB drilling and precision engraving equipment.
- Industrial Pumps & Compressors: Where reliable operation under significant axial and radial loads is required.
- Precision Rotary Tables and Indexers: Ensuring high positional accuracy and repeatability.
