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71908 CB/HCP4A Super Precision Angular Contact Ball Bearing with Hybrid Ceramic Balls and High-Speed 36,000 rpm P4A Grade

Name: 71908 CB/HCP4A Super Precision Angular Contact Ball Bearing with Hybrid Ceramic Balls and High-Speed 36,000 rpm P4A Grade
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71908 CB/HCP4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71908 CB/HCP4A

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: 200000pcs per month

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Ball Bearing, Single Row Ball Bearing 7908, CB/HCP4A Precision Ball Bearing
                              

Part Number:	71908 CB/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 7908CSN24TRP4
Coating:	Without	Sealing:	Without
Design:	High-speed B	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71908 CB/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 7908CSN24TRP4
Coating:	Without
Sealing:	Without
Design:	High-speed B
Contact Type:	Normal Contact (two-point Contact)

71908 CB/HCP4A Super Precision Angular Contact Ball Bearing with Hybrid Ceramic Balls and High-Speed 36,000 rpm P4A Grade

71908 CB/HCP4A Super Precision Single Row Angular Contact Ball Bearing 7908

71908 CB/HCP4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing Hybrid Ceramic Balls High Speed

Super-precision, high-speed B design, single row angular contact ball bearing

The 71908 CB/HCP4A bearing features a bore diameter of 40 mm, outside diameter of 62 mm, and width of 12 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
Part Number	71908 CB/HCP4A
Bearing Type	Angular Contact
Measurement Unit	Metric
Dimensions
Inner Bore Diameter (d)	40 mm
Inner Bore Diameter Tolerance	-0.006mm to 0
Outer Bore Diameter (D)	62 mm
Outer Bore Diameter Tolerance	-0.007mm to 0
Width (B)	12 mm
Width Tolerance	-0.2mm to 0
Specifications
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	0.11 kg
Matched Arrangement	No
Universal Matching Bearing	No
Preload	Not applicable
Load and Speed
Dynamic Radial Load	5400 N
Static Radial Load	4150 N
Reference Speed For Grease (r/min)	36,000 rpm
Limiting Speed For Oil (r/min)	56,000 rpm

Performance Features of 71908 CB/HCP4A Bearing

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 of the 71908 CB/HCP4A Bearing

Machine tools and precision machining equipment for accurate positioning and low vibration
Industrial drives and gearboxes for enhanced transmission efficiency
High-speed motors and compressors for reduced friction and temperature rise
Aerospace and high-end instruments for high rigidity and heat resistance
Special operating conditions including corrosive environments and high temperatures

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

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