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71903 CE/HCP4A Super Precision High Speed Angular Contact Ball Bearing with Hybrid Ceramic Balls

Name: 71903 CE/HCP4A Super Precision High Speed Angular Contact Ball Bearing with Hybrid Ceramic Balls
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71903 CE/HCP4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71903 CE/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

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                                                                                                                                                                                                                                                                                                                                                                                71903 precision angular contact bearing, single row ball bearing with warranty, CE/HCP4A super precision ball bearing
                              

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

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

71903 CE/HCP4A Super Precision High Speed Angular Contact Ball Bearing with Hybrid Ceramic Balls

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

Product Overview

71903 CE/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 CE/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	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	3380 N
Static Radial Load	1530 N
Reference Speed For Grease (r/min)	83,000 rpm
Limiting Speed For Oil (r/min)	127,000 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 a wide temperature range

Applications

The 71903 CE/HCP4A bearing is distinguished by its high precision, stability, and durability, making it an essential component across various industries. It is widely used in critical equipment within:

Metallurgy
Power generation
Steel production
Machine tools
Mining
Construction
Road construction machinery
Railways

Specifically supports operations in rolling mills, generators, hot rolling mills, CNC machines, excavators, cranes, road rollers, and railway vehicles. Its ability to perform reliably under demanding conditions, coupled with excellent wear and heat resistance, enhances operational efficiency and quality.

Certifications & Services

Certificates	RoHS & REACH, IATF16949:2016
Features	High Speed and Stiffness, High Running Accuracy, High Load Carrying Capacity
Service	OEM & ODM Customized Services
Samples	Please Contact Us
Support	Online Support, Professional Service
Size Options	Standard, For custom sizes please contact us
Manufacturer	Factory Manufacturer

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