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S71903 CD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

Name: S71903 CD/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: S71903 CD/HCP4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71903 CD/HCP4A

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

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Ball Bearing, 7903 2RZ Ball Bearing, Single Row Angular Contact Bearing
                              

Part Number:	S71903 CD/HCP4A Angular Contact Ball Bearing	Structure:	Angular Contact
Seals Type:	Sealed,Seal On Both Sides,2RZ	Ring Type:	One-piece Inner And Outer Rings
Lubrication:	Grease	Replaceable With:	SKF, NSK S7903CSN24TRV1VP4
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	S71903 CD/HCP4A Angular Contact Ball Bearing
Structure:	Angular Contact
Seals Type:	Sealed,Seal On Both Sides,2RZ
Ring Type:	One-piece Inner And Outer Rings
Lubrication:	Grease
Replaceable With:	SKF, NSK S7903CSN24TRV1VP4
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

S71903 CD/HCP4A Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

S71903 CD/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7903 2RZ

Product Overview

S71903 CD/HCP4A 17×30×7 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-capacity, single row angular contact ball bearing with seals. Featuring precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, this bearing delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications

Part Number	S71903 CD/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	15° (25°,40° Available)
Material	Hybrid (Chrome Steel Rings, Ceramic Balls)
Cage Material	Phenolic
Number of Rows	1 Single Row
Seal Type	Seal on both sides
Temperature Range	-30°C to 150°C
Lubrication	Grease
Tolerance Class	P4A better than P4 (ABEC-7)
Weight	0.015 kg
Dynamic Radial Load	4160 N
Static Radial Load	2080 N
Reference Speed For Grease	63,000 rpm
Limiting Speed For Oil	90,000 rpm

Product Images

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 S71903 CD/HCP4A bearing is an ultra-precision angular contact ball bearing designed for high-speed and high-load applications, featuring high rigidity and low friction. It is ideal for a wide range of machinery including:

Electric spindles
High-speed machining centers
Milling machines, lathes, and grinding machines
Woodworking equipment
Metal cutting tools
Ship gyro stabilizers
Telescopes
Gas turbine engines
Race car wheel hubs

By ensuring stability, reliability, and precision in these demanding environments, this bearing significantly enhances operational efficiency and quality, making it essential for improving performance 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

Sizes:
Standard sizes available, custom sizes upon request

Manufacturer:
Factory Manufacturer

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