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71903 CD/P4A Super Precision High Capacity Angular Contact Ball Bearing 17x30x7 mm

Name: 71903 CD/P4A Super Precision High Capacity Angular Contact Ball Bearing 17x30x7 mm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71903 CD/P4A
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71903 CD/P4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 30 days

Payment Terms: L/C,T/T

Supply Ability: 500000pcs per month

Get Best Price

Product Details

Product Description

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                                                                                                                                                                                                                                                                                    71903 super precision angular contact bearing, single row angular contact ball bearing, 7903 precision ball bearing with warranty
                      

Part Number:	71903 CD/P4A Angular Contact Ball Bearing	Structure:	Angular Contact
Seals Type:	Open (2RZ Available)	Ring Type:	One-piece Inner And Outer Rings
Lubrication:	Oil Or Grease	Replaceable With:	SKF, NSK 7903CTRP4
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71903 CD/P4A Angular Contact Ball Bearing
Structure:	Angular Contact
Seals Type:	Open (2RZ Available)
Ring Type:	One-piece Inner And Outer Rings
Lubrication:	Oil Or Grease
Replaceable With:	SKF, NSK 7903CTRP4
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

71903 CD/P4A Super Precision High Capacity Angular Contact Ball Bearing 17x30x7 mm

71903 CD/P4A Super Precision Single Row Angular Contact Ball Bearing 7903

71903 CD/P4A 17×30×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed

Super-precision, high-capacity, single row angular contact ball bearing. The 71903 CD/P4A bearing features a bore diameter of 17 mm, outside diameter of 30 mm, and width of 7 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.

Technical Specifications

Part Number	71903 CD/P4A
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	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, Oil
Tolerance Class	P4A better than P4 (ABEC-7)
Weight	0.017 kg
Dynamic Radial Load	4160 N
Static Radial Load	2080 N
Reference Speed For Grease	53,000 rpm
Limiting Speed For Oil	80,000 rpm

Performance Features

Engineered for high-precision and high-performance applications
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 71903 CD/P4A bearing is distinguished by its high speed and precision, making it ideal for applications requiring high rotational accuracy and stability. It is extensively used in:

High-speed machine tools like electric spindles, machining centers, and milling machines
Metal cutting processes, mixers, and guide rail stud welders
Heat exchangers, bending machines, and oilfield equipment
Chemical processing facilities

This bearing offers excellent performance under demanding conditions, corrosion resistance, and wear resistance, significantly enhancing operational efficiency and quality across various industrial 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 Availability	Standard sizes available, custom sizes upon request
Manufacturer	Factory Manufacturer

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