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71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 45x68x12 mm High Speed 39,000 rpm P4A Precision Grade

Name: 71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 45x68x12 mm High Speed 39,000 rpm P4A Precision Grade
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71909 ACE/P4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71909 ACE/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

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Bearing, Single Row Ball Bearing 7909, ACE/P4A Precision Ball Bearing
                              

Part Number:	71909 ACE/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 7909A5TRP4
Coating:	Without	Sealing:	Without
Design:	High-speed E	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71909 ACE/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 7909A5TRP4
Coating:	Without
Sealing:	Without
Design:	High-speed E
Contact Type:	Normal Contact (two-point Contact)

71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 45x68x12 mm High Speed 39,000 rpm P4A Precision Grade

71909 ACE/P4A Super Precision Single Row Angular Contact Ball Bearing 7909

71909 ACE/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 ACE/P4A bearing features a bore diameter of 45 mm, outside diameter of 68 mm, and width of 12 mm. With precise dimensions, high static load capacity, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Specifications

Part Number	71909 ACE/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: 25° (15°, 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: 9750 N Static Radial Load: 6400 N Reference Speed For Grease: 25,000 rpm Limiting Speed For Oil: 39,000 rpm

Performance Features

The 71909 ACE/P4A angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:

Very tight tolerances suitable for precise machinery
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

Applications

The 71909 ACE/P4A bearing, a precision angular contact ball bearing manufactured by SKF, is known for its high-speed capability, high load capacity, and ability to withstand extreme environments. Its applications span a wide range of industrial scenarios:

Machinery Manufacturing and Processing

Machine Tools: Used in metal-cutting machines such as radial drilling machines, lathes, and gantry milling machines
Power Transmission Equipment: Suitable for forging presses and cycloidal gear reducers
Printing and Packaging Machinery: Core components in printing equipment such as letterpress printing machines, bookbinding machines, and slitting machines
Packaging Equipment: Used in biscuit machinery and plastic weaving machines

Industrial Equipment and Energy

Energy and Environmental Protection Equipment: Applied in thermal energy equipment such as wet cooling towers, gas furnaces, and flash dryers
Environmental Systems: Used in desulfurization machines, pollution control equipment, and pneumatic pumps
Chemical and Material Processing: Found in chemical equipment such as nonwoven machinery, glue dispensing machines, and mixers
Material Processing Equipment: Used in mold temperature controllers and medium-frequency power supplies

Light Industry and Food Processing

Food and Textile Machinery: Used in rice and flour machinery, ironing and washing equipment, and leather processing machines
Textile Accessories: Applied in primary processing equipment for cotton and wool
Kitchen and Household Appliances: Found in household appliances like combination washer-dryers and pressing tables

Special Environments and High-Precision Applications

Aerospace and Precision Instruments: Used in aerospace equipment and laboratory mixing devices
High-Speed Applications: Suitable for high-speed rotating centrifugal compressors and roller skating equipment
High-Temperature Environments: Applicable in high-temperature environments such as mesh belt furnaces and foot-operated welding machines

Other Applications

General Industrial Equipment: Used in general machinery such as blow molding machines, rotor pumps, and conveying equipment
Auxiliary Industrial Systems: Applied in vibrating screens and environmental protection equipment

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!

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