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707AC P4A GA Precision Miniature Angular Contact Ball Bearing 7x19x6mm High Speed Spindle bearing
707 AC P4A GA 7*19*6 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed Spindle Tools CNC Machine
The 707AC P4A GA bearing,bore diameter is 7 mm, outside diameter is 19mm,width is 6 mm,featuring precise dimensions, high static load capacity, P4A precision grade,delivers superior performance and reliability for applications requiring high rotational accuracy and stability.
| Part Number |
707AC P4A GA |
| Bearing Type |
Angular Contact |
| Measurement Unit |
Metric |
| Dimensions |
Inner Bore Diameter (d) |
7 mm |
| Inner Bore Diameter Tolerance |
-0.004mm to 0 |
| Outer Bore Diameter (D) |
19 mm |
| Outer Bore Diameter Tolerance |
-0.004mm to 0 |
| Width (B) |
6 mm |
| Width Tolerance |
-0.2mm to 0 |
| Specifications |
Contact Angle |
25° (15°,40° Available) |
| Material |
Chrome Steel |
| Cage Material |
Phenolic |
| Number of Rows |
Single Row |
| Seal Type |
Open |
| Temperature Range |
-30°C to 150°C |
| Lubrication |
Grease or Oil |
| Tolerance Class |
P4A better than P4 |
| Weight |
0.008 kg |
| Matched Arrangement |
No |
| Universal Matching Bearing |
Yes, back-to-back (<>), face-to-face (><) or tandem (>>) DB,DF,DT 2 bearings |
| Preload |
Extra light / Class A |
| Load and Speed |
Dynamic Radial Load |
2420 N |
| Static Radial Load |
950 N |
| Reference Speed For Grease (r/min) |
110,000 rpm |
| Limiting Speed For Oil(r/min) |
170,000 rpm |
|
What's the Performance Features of 707AC P4A GA Bearing?
The 707AC P4A GA angular contact ball bearing delivers high-speed performance, high load capacity, and exceptional precision and reliability. Featuring low friction, durable construction, and effective sealing, it is ideal for demanding applications such as machine tool spindles, aerospace, and medical equipment.
What's the Applications of the 707AC P4A GA Bearing?
The 707AC P4A GA ultra precision angular contact ball bearing is designed for high precision, high rigidity, and high speed applications. It is widely used in the following fields:
1. Aerospace
Used in aircraft wing beams, ribs, fuselage frames, landing gear, and vertical tail structures. It provides high load capacity and structural stability.
2. High-Speed Rail and Rail Transit
Applied in carriage connections, bogie bearings, and motor support components.
3. Precision Machinery and Industrial Equipment
Commonly used in CNC machine tool spindles for high-speed cutting, semiconductor manufacturing equipment such as lithography and wafer processing machines, and industrial robot joints that require high accuracy and fatigue resistance.
4. Marine and Offshore Engineering
Used in marine propeller bearings, rudder control systems, and rotating supports for deck machinery.
5. New Energy and Advanced Manufacturing
Applied to wind turbine main shafts for long-term high torque operation, and electric vehicle drive motors that operate at high speeds above 15,000 rpm while handling axial loads.
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