Product Details
Place of Origin: China
Brand Name: CNBTZC or OEM
Certification: IATF16949:2016
Model Number: 71909 CB/P4A
Payment & Shipping Terms
Minimum Order Quantity: 1000
Price: Please contact us,thanks
Packaging Details: plastic bag,box,carton,pallet
Delivery Time: 2-4 weeks
Payment Terms: L/C,T/T
Supply Ability: 200000pcs per month
Part Number: |
71909 CB/P4A Angular Contact Ball Bearing |
Structure: |
Angular Contact |
Seals Type: |
Open (2RZ Available) |
Ring Type: |
One-piece Inner And Outer Rings |
Lubrication: |
Grease,Oil |
Replaceable With: |
SKF, NSK 7909CTRP4 |
Coating: |
Without |
Sealing: |
Without |
Design: |
High-speed B |
Contact Type: |
Normal Contact (two-point Contact) |
Part Number: |
71909 CB/P4A Angular Contact Ball Bearing |
Structure: |
Angular Contact |
Seals Type: |
Open (2RZ Available) |
Ring Type: |
One-piece Inner And Outer Rings |
Lubrication: |
Grease,Oil |
Replaceable With: |
SKF, NSK 7909CTRP4 |
Coating: |
Without |
Sealing: |
Without |
Design: |
High-speed B |
Contact Type: |
Normal Contact (two-point Contact) |
71909 CB/P4A 45*68*12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing High Speed
Super-precision, high-speed B design, single row angular contact ball bearing
The 71909 CB/P4A bearing,bore diameter is 45 mm, outside diameter is 68 mm,width is 12 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 | 71909 CB/P4A | |
Bearing Type | Angular Contact | |
Measurement Unit | Metric | |
Dimensions | Inner Bore Diameter (d) | 45 mm |
Inner Bore Diameter Tolerance | -0.006mm to 0 | |
Outer Bore Diameter (D) | 68 mm | |
Outer Bore Diameter Tolerance | -0.007mm to 0 | |
Width (B) | 12 mm | |
Width Tolerance | -0.2mm to 0 | |
Specifications | Contact Angle | 15° (25°,40° Available) |
Material | Chrome Steel | |
Cage Material | Phenolic | |
Number of Rows | 1 Single Row | |
Seal Type | Open | |
Temperature Range | -30°C to 150°C | |
Lubrication | Grease or Oil | |
Tolerance Class | P4A better than P4 (ABEC-7) | |
Weight | 0.13 kg | |
Matched Arrangement | No | |
Universal Matching Bearing | No | |
Preload | Not applicable | |
Load and Speed | Dynamic Radial Load | 7410 N |
Static Radial Load | 5700 N | |
Reference Speed For Grease (r/min) | 28,000 rpm | |
Limiting Speed For Oil(r/min) | 43,000 rpm |
What's the Performance Features of 71909 CB/P4A Bearing?
The 71909 CB/P4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring very tight tolerances suitable for precise machinery, the ability to handle both radial and axial loads simultaneously, high-speed operation with stability, low torque and friction for energy efficiency, enhanced rigidity for accuracy under heavy loads, durability with extended service life, effective performance across a wide temperature range.
What's the Applications of the 71909 CB/P4A Bearing?
The 71909 CB/P4A bearing, is a high-precision angular contact ball bearing, and its design features make it widely applicable in various demanding industrial fields. Below are its main application areas and references:
1. Machine Tool Spindles
The 71909 CB/P4A bearing is ideal for machine tool spindles due to its high precision (P4 grade) and ability to handle high speeds and heavy loads. Similar models are used in lathes, milling machines, and grinding machines.
2.
Aerospace Equipment
High-precision bearings like this are used in aerospace applications such as satellite systems and rocket engines. While not directly mentioned, similar bearings are trusted in spacecraft, suggesting comparable performance.
3.
Semiconductor Manufacturing
Precision bearings are critical in semiconductor equipment like lithography and wafer cutting machines. Similar models are paired with tools like dicing blades, showing their role in high-accuracy processes.
4.
High-Speed Motors & Instruments
With P4A precision and optimized design, this bearing suits high-speed motors, centrifuges, and medical devices requiring low vibration and reliable performance.
CERTIFICATE | RoHS & REACH, IATF16949:2016 |
Feature | High Speed and Stiffness,High Running Accuracy,High Load Carrying Capacity |
Service | OEM&ODM Customized Services |
Samples | Please Contact Us |
Service | Online Support,Professional Service |
Size | Standard,For custom sizes ,please contact us |
Factory Manufacturer | Yes |
If you need more detailed information , feel free to ask!