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71903 FE/HCP4AH Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

Name: 71903 FE/HCP4AH 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 FE/HCP4AH
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71903 FE/HCP4AH

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 ball bearing 7903, HCP4AH precision ball bearings
                              

Part Number:	71903 FE/HCP4AH 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 FE/HCP4AH 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 FE/HCP4AH Super Precision Angular Contact Ball Bearing with 17 mm Bore Diameter P4A Precision Grade and Hybrid Ceramic Balls

71903 FE/HCP4AH Super Precision Single Row Angular Contact Ball Bearing 7903

71903 FE/HCP4AH 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 suitable for direct oil-air lubrication.

The 71903 FE/HCP4AH 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, P4A precision grade, and hybrid ceramic balls, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications

Dimensions
Part Number	71903 FE/HCP4AH
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	-0.004mm to 0
Width (B)	7 mm
Width Tolerance	-0.2mm to 0
Specifications
Contact Angle	15° (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	0.014 kg
Matched Arrangement	No
Universal Matching Bearing	No
Preload	Not applicable
Load and Speed
Dynamic Radial Load	3320 N
Static Radial Load	1500 N
Reference Speed For Grease (r/min)	79,000 rpm
Limiting Speed For Oil (r/min)	121,000 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 FE/HCP4AH bearing is distinguished by its high precision, excellent load capacity, and superior corrosion resistance, making it essential in a wide range of industries including:

High-purity water production
Power transmission in triple-ring reducers
Extreme conditions in reflow soldering machines
Efficient air purification systems
Robust performance in painting and dust removal equipment
Reliable operation in pneumatic pumps
Stability under high temperatures and pressures in heat exchangers
Durability in leather processing
Continuous accuracy in inkjet printers
Precision in painting production lines
Stable performance in agricultural tractors
Resistance to corrosive media in chemical pumps

Certifications & Features

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

Service Support: Online Support, Professional Service

Size Availability: Standard sizes available. For custom sizes, please contact us.

Factory Manufacturer: Yes

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