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71903 ACE/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

Name: 71903 ACE/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71903 ACE/HCP4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71903 ACE/HCP4A

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: 500000pcs per month

Get Best Price

Product Details

Product Description

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                                                                                                                                                                                                                                                                                                                                                                                71903 ACE/HCP4A precision ball bearing, super precision angular contact bearing, single row ball bearing 7903
                              

Part Number:	71903 ACE/HCP4A 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 7903A5SN24TRP4
Coating:	Without	Sealing:	Without
Design:	High-speed E	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71903 ACE/HCP4A 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 7903A5SN24TRP4
Coating:	Without
Sealing:	Without
Design:	High-speed E
Contact Type:	Normal Contact (two-point Contact)

71903 ACE/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

71903 ACE/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7903

71903 ACE/HCP4A 17×30×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-speed E design, single row angular contact ball bearing featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls. Delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications

Part Number	71903 ACE/HCP4A
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	17 mm
Inner Bore Diameter Tolerance	-0.004mm to 0
Outer Bore Diameter (D)	30 mm
Outer Bore Diameter Tolerance	-0.005mm to 0
Width (B)	7 mm
Width Tolerance	-0.2mm to 0
Contact Angle	25° (15°, 40° Available)
Material	Hybrid (Chrome Steel Rings, Ceramic Balls)
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	0.015 kg

Load and Speed Ratings

Dynamic Radial Load	3190 N
Static Radial Load	1460 N
Reference Speed For Grease (r/min)	75,000 rpm
Limiting Speed For Oil (r/min)	115,000 rpm

Performance Features

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 wide temperature range

Applications

The 71903 ACE/HCP4A bearing is distinguished by its high load capacity and precision, making it essential in various industries including:

Machine tools and machining centers
Robotics and robotic arms
Printing machinery and printing rollers
Semiconductor manufacturing and silicon wafer fault detection units
Shipbuilding and marine gyro stabilizers
Medical devices and equipment

Its capability to perform reliably under demanding conditions underscores its critical role in enhancing operational efficiency and performance across diverse sectors.

Certifications & Services

Certificates: RoHS & REACH, IATF16949:2016

Features: High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity

Services: OEM & ODM Customized Services, Online Support, Professional Service

Samples: Please Contact Us

Size Options: Standard sizes available, custom sizes upon request

Factory Manufacturer: Yes

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