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71908 CD/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and High Speed 34,000 rpm

Name: 71908 CD/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and High Speed 34,000 rpm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71908 CD/P4A
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71908 CD/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 super precision angular contact bearing, 7908 single row ball bearing, CD/P4A precision ball bearing
                              

Part Number:	71908 CD/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
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71908 CD/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
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

71908 CD/P4A Super Precision Angular Contact Ball Bearing with 40 mm Bore Diameter P4A Precision Grade and High Speed 34,000 rpm

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

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

Super-precision, high-capacity D design, single row angular contact ball bearing featuring precise dimensions, high static load capacity, P4A precision grade, delivering superior performance and reliability for applications requiring high rotational accuracy and stability.

Specifications

Part Number	71908 CD/P4A
Bearing Type	Angular Contact
Measurement Unit	Metric
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
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

Load and Speed Ratings

Dynamic Radial Load	12,400 N
Static Radial Load	8,500 N
Reference Speed For Grease	20,000 rpm
Limiting Speed For Oil	34,000 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 CD/P4A high-precision angular contact ball bearing, with its 15° contact angle, CD structure, and P4A tolerance grade, is designed for high-speed, high-precision, and heavy-load applications across multiple industries:

Machine tools
Steel rolling equipment
Food processing machinery
Textile and packaging machines
Pump and chemical equipment
Precision laboratory instruments
Optical devices
Plastic processing machinery
Construction machinery

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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