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S71904 CD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade 20x37x9 mm for High Speed Operation

Name: S71904 CD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade 20x37x9 mm for High Speed Operation
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: S71904 CD/P4A
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: S71904 CD/P4A

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 2-3 weeks

Payment Terms: L/C,T/T

Supply Ability: 500000pcs per month

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Bearing, 7904 2RZ Ball Bearing, Single Row Precision Ball Bearing
                              

Part Number:	S71904 CD/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
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	S71904 CD/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
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

S71904 CD/P4A Super Precision Single Row Angular Contact Ball Bearing with P4A Precision Grade 20x37x9 mm for High Speed Operation

S71904 CD/P4A Super Precision Single Row Angular Contact Ball Bearing 7904 2RZ

S71904 CD/P4A 20×37×9 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 S71904 CD/P4A bearing features a bore diameter of 20 mm, outside diameter of 37 mm, and width of 9 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	S71904 CD/P4A
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	20 mm
Inner Bore Diameter Tolerance	-0.005mm to 0
Outer Bore Diameter (D)	37 mm
Outer Bore Diameter Tolerance	-0.006mm to 0
Width (B)	9 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	Seal on both sides
Temperature Range	-30°C to 150°C
Lubrication	Grease
Tolerance Class	P4A better than P4 (ABEC-7)
Weight	0.037 kg
Dynamic Radial Load	6050 N
Static Radial Load	3200 N
Reference Speed For Grease	45,000 rpm
Limiting Speed For Oil	67,000 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 S71904 CD/P4A bearing excels in high-speed machining equipment and precision machine tools such as electric spindles, high-speed machining centers, and milling machines. Its sealed design and P4A precision make it suitable for industrial machinery including textile machinery and steel rolling mills. The bearing's high rigidity and low friction characteristics, along with suitability for precision instruments and applications requiring high preload control, ensure optimal performance across demanding applications.

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 Direct

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