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71811 CD/P4 Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade 55 mm Bore and High Static Load Capacity

Name: 71811 CD/P4 Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade 55 mm Bore and High Static Load Capacity
Brand: Beining Intelligent Technology (Zhejiang) Co., Ltd
SKU: 71811 CD/P4
Availability: InStock

Product Details

Place of Origin: China

Brand Name: CNBTZC or OEM

Certification: IATF16949:2016

Model Number: 71811 CD/P4

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: 200000pcs per month

Get Best Price

Product Details

Product Description

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                                                                                                                                                                                                                                                                                                                                                                                71811 CD/P4 super precision bearing, single row angular contact bearing, 7811 precision ball bearing
                              

Part Number:	71811 CD/P4 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 7811CTRP4
Coating:	Without	Sealing:	Without
Design:	High-capacity D	Contact Type:	Normal Contact (two-point Contact)

Part Number:	71811 CD/P4 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 7811CTRP4
Coating:	Without
Sealing:	Without
Design:	High-capacity D
Contact Type:	Normal Contact (two-point Contact)

71811 CD/P4 Super Precision Single Row Angular Contact Ball Bearing with P4 Precision Grade 55 mm Bore and High Static Load Capacity

71811 CD/P4 Super Precision Single Row Angular Contact Ball Bearing 7811

71811 CD/P4 55×72×9 Super Precision High Capacity Single Row Angular Contact Ball Bearing

This super-precision, high-capacity, single row angular contact ball bearing features precise dimensions, high static load capacity, and P4 precision grade. It delivers superior performance and reliability for applications requiring high rotational accuracy and stability.

Specifications

Part Number	71811 CD/P4
Bearing Type	Angular Contact
Measurement Unit	Metric
Inner Bore Diameter (d)	55 mm
Inner Bore Diameter Tolerance	-0.007mm to 0
Outer Bore Diameter (D)	72 mm
Outer Bore Diameter Tolerance	-0.007mm to 0
Width (B)	9 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	P4 (ABEC-7)
Weight	0.073 kg
Dynamic Radial Load	10100 N
Static Radial Load	10800 N
Reference Speed For Grease	18,000 rpm
Limiting Speed For Oil	28,000 rpm

Performance Features

The 71811 CD/P4 angular contact ball bearing is engineered for high-precision and high-performance applications, featuring:

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 71811 ACD/HCP4 bearing is designed to meet the stringent demands of various advanced applications:

Precision Machine Tools & Machining Equipment: CNC lathe/milling machine spindles, jig grinder grinding wheel spindles
Industrial Robotics & Automation: SCARA robot Z-axis drives, delta robot rotary joints
Aerospace Critical Systems: Aircraft fuel pump drive shafts, satellite attitude control flywheels
Medical & Optical Equipment: CT scanner rotating gantries, laser cutter focusing heads
Semiconductor Manufacturing: Lithography wafer stage drives, wafer polisher spindles
Energy & Fluid Machinery: Centrifugal compressor shafts, high-speed turbine generators

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

If you need more detailed information, feel free to ask!

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