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S71903 ACD/P4A Super Precision P4A Angular Contact Ball Bearing 17x30x7 mm High Speed 48,000 rpm

Name: S71903 ACD/P4A Super Precision P4A Angular Contact Ball Bearing 17x30x7 mm High Speed 48,000 rpm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: S71903 ACD/P4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71903 ACD/P4A

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

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Ball Bearing, Single Row Ball Bearing 7903 2RZ, ACD P4A Precision Ball Bearing
                              

Part Number:	S71903 ACD/P4A 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 S7903A5TRV1VP4
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	S71903 ACD/P4A 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 S7903A5TRV1VP4
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

S71903 ACD/P4A Super Precision P4A Angular Contact Ball Bearing 17x30x7 mm High Speed 48,000 rpm

S71903 ACD/P4A Super Precision Single Row Angular Contact Ball Bearing 7903 2RZ

S71903 ACD/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 with seals. The S71903 ACD/P4A bearing features precise dimensions, high static load capacity, P4A precision grade, and hybrid ceramic balls, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.

Technical Specifications

Part Number	S71903 ACD/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	25° (15°, 40° Available)
Material	Chrome Steel
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	0.017 kg
Matched Arrangement	No
Universal Matching Bearing	No
Preload	Not applicable

Load and Speed Ratings

Dynamic Radial Load	3970 N
Static Radial Load	2000 N
Reference Speed For Grease (r/min)	48,000 rpm
Limiting Speed For Oil (r/min)	75,000 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 S71903 ACD/P4A bearing, distinguished by its high precision and robust design, is extensively used in various industries including:

Machine tools (electric spindles, high-speed machining centers, milling machines)
Robotics and automation systems
Woodworking and metal cutting equipment
Construction and port machinery
Automotive engines and gear reducers
Metallurgical equipment
Elevator traction machines
Plastic processing equipment and compressors

Its capability to maintain stability at high speeds while withstanding significant radial and axial loads makes it essential for enhancing operational efficiency, precision, and reliability across these diverse applications.

Certifications and Services

Certifications	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
Factory Manufacturer	Yes

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