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71905 FE/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and High Speed E Design 25x42x9 mm

Name: 71905 FE/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and High Speed E Design 25x42x9 mm
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71905 FE/P4A
Price: Negotiable USD
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71905 FE/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

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                                                                                                                                                                                                                                                                                    71905 FE/P4A super precision bearing, single row angular contact ball bearing, 7905 super precision ball bearing
                      

Part Number:	71905 FE/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-speed E	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71905 FE/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-speed E
Contact Type:	Normal Contact (two-point Contact)

71905 FE/P4A Super Precision Angular Contact Ball Bearing with P4A Precision Grade and High Speed E Design 25x42x9 mm

71905 FE/P4A Super Precision Single Row Angular Contact Ball Bearing 7905

71905 FE/P4A 25×42×9 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed

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

The 71905 FE/P4A bearing features a bore diameter of 25 mm, outside diameter of 42 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

Dimensions
Part Number	71905 FE/P4A
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	25 mm
Inner Bore Diameter Tolerance	-0.005mm to 0
Outer Bore Diameter (D)	42 mm
Outer Bore Diameter Tolerance	-0.006mm to 0
Width (B)	9 mm
Width Tolerance	-0.2mm to 0
Specifications
Contact Angle	18° (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	0.04 kg
Matched Arrangement	No
Universal Matching Bearing	No
Preload	Not applicable
Load and Speed
Dynamic Radial Load	5270 N
Static Radial Load	2800 N
Reference Speed For Grease (r/min)	46,500 rpm
Limiting Speed For Oil (r/min)	71,500 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 71905 FE/P4A bearing is a high-performance component extensively used across various industrial applications, including:

Freezers, printing machines, cutting equipment, and vacuum dryers
Machine tool spindles for machining centers, lathes, and grinders
Semiconductor manufacturing and precision grinding
Preservation equipment, cranes, and veterinary instruments

Its robust design supports operations in extreme conditions, offering high rigidity, long service life, and minimal heat generation. The hybrid ceramic design and precise preload features make it suitable for specialized applications requiring high speeds and low friction.

Certification & 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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