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71902 ACE/P4AQBCB Super Precision Angular Contact Ball Bearing with High Speed 68,000 rpm and P4A Precision Grade

Name: 71902 ACE/P4AQBCB Super Precision Angular Contact Ball Bearing with High Speed 68,000 rpm and P4A Precision Grade
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71902 ACE/P4AQBCB
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71902 ACE/P4AQBCB

Payment & Shipping Terms

Minimum Order Quantity: 1000

Price: Please contact us,thanks

Packaging Details: plastic bag,box,carton,pallet

Delivery Time: 30 days

Payment Terms: L/C,T/T

Supply Ability: 500000pcs per month

Get Best Price

Product Details

Product Description

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                Super Precision Angular Contact Ball Bearing, Single Row Ball Bearing 7902, ACE/P4AQBCB Precision Bearing
                              

Part Number:	71902 ACE/P4AQBCB 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:	71902 ACE/P4AQBCB 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)

71902 ACE/P4AQBCB Super Precision Angular Contact Ball Bearing with High Speed 68,000 rpm and P4A Precision Grade

71902 ACE/P4AQBCB Super Precision Single Row Angular Contact Ball Bearing 7902

Product Overview

71902 ACE/P4AQBCB 15×28×28 mm Super Precision High Capacity Single Row Angular Contact Ball Bearing - High Speed

Matched set of four super-precision, high-speed E design, single row angular contact ball bearings.

The 71902 ACE/P4AQBCB bearing features a bore diameter of 15 mm, outside diameter of 28 mm, and width of 28 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	71902 ACE/P4AQBCB
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	15 mm
Inner Bore Diameter Tolerance	-0.004mm to 0
Outer Bore Diameter (D)	28 mm
Outer Bore Diameter Tolerance	-0.004mm to 0
Width (B)	28 mm (4×7mm)
Width Tolerance	-0.2mm to 0
Contact Angle	25° (15°, 40° Available)
Material	Chrome Steel
Cage Material	Phenolic
Number of Rows	4 (4× Single Row)
Seal Type	Open
Temperature Range	-30°C to 150°C
Number of bearings in matched set	4
Tolerance Class	P4A better than P4 (ABEC-7)
Weight	0.06 kg
Matched Arrangement	QBC <<>> 4 bearings
Universal Matching Bearing	No
Preload	L/Light/Class B
Dynamic Radial Load	8060 N
Static Radial Load	5200 N
Reference Speed For Grease (r/min)	68,000 rpm
Limiting Speed For Oil (r/min)	106,000 rpm

Product Images

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 71902 ACE/P4AQBCB bearing is a high-precision angular contact ball bearing distinguished by its superior accuracy, load capacity, and reliability. It finds extensive use in:

Industrial automation for enhancing production efficiency
Machine tool industry for ensuring machining precision
Semiconductor manufacturing for maintaining operational stability under extreme conditions
Medical equipment for long-term stable performance due to excellent friction reduction and corrosion resistance
Marine, aerospace, and energy sectors

Its versatility makes it an indispensable component across a wide range of demanding industrial applications.

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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