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71908 CB/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter and P4A Precision Grade for High Speed Operation

Name: 71908 CB/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter and P4A Precision Grade for High Speed Operation
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71908 CB/P4A
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71908 CB/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: 200000pcs per month

Get Best Price

Product Details

Product Description

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                                                                                                                                                                                                                                                                                    71908 CB/P4A super precision bearing, angular contact ball bearing 7908, single row precision ball bearing
                      

Part Number:	71908 CB/P4A 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 7908CTRP4
Coating:	Without	Sealing:	Without
Design:	High-speed B	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71908 CB/P4A 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 7908CTRP4
Coating:	Without
Sealing:	Without
Design:	High-speed B
Contact Type:	Normal Contact (two-point Contact)

71908 CB/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter and P4A Precision Grade for High Speed Operation

71908 CB/P4A Super Precision Single Row Angular Contact Ball Bearing 7908

71908 CB/P4A 40×62×12 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed

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

The 71908 CB/P4A 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, and P4A precision grade, it delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Specifications

Part Number	71908 CB/P4A
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: Chrome Steel 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: 0.12 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): 30,000 rpm Limiting Speed For Oil (r/min): 45,000 rpm

Performance Features

Engineered for high-precision and high-performance applications
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 71908 CB/P4A high-precision angular contact ball bearing, with its P4A precision grade, is designed for demanding applications in high-speed and high-accuracy scenarios. It is ideal for:

Machine tool spindles, including lathes and milling machines
High-speed motors and turbine machinery
Precision instruments like laser devices and coordinate measuring machines
Robotic joints and automation equipment

CERTIFICATE: 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: Standard (Custom sizes available - please contact us)

Factory Manufacturer: Yes

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