Spindle Bearing H7008CTN-2rz-Hq1-Su-P4 Si3n4 Ceramic Angular Contact Ball Bearings Hybrid Bearing

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Product Description

Basic Information
Model NO.:H7008CTN-2RZ-HQ1-SU-P4
Material:Bearing Steel
Precision Class:P4
Noise & Vibration:Zv2/Zv3
Clearance:C0
Grease:Kluber
Package Size:6.00cm * 6.00cm * 6.00cm
Production Capacity:5000 pieces/Month
Product Description

Bearing No. S7008CDGAHCP4A - Angular contact ball bearing - spindle ball bearing

Technical Data
Inside Ø (mm):40
Outside Ø (mm):68
Width (mm):15
Tolerance for inside-Ø (mm):0/-0,006
Tolerance for outside-Ø (mm):0/-0,007
Contact Angle:15°
Seal:NBR
Rolling Element Material:Ceramics
Cage Material:Phenolic Resin
Tolerance Class:P4S
Product weight:0,1680 kg
Key Features
  • Suitable for high radial and axial loads in one direction.
  • Axial load carrying capacity on both sides in X- or O-arrangement in pairs.
  • Accuracy grade: P4S (main dimensions according to ISO-tolerance class 4).
  • Running tolerances classified according to ISO-tolerance class 2.
  • Designed for high running accuracy and high speeds with maximum rigidity.
  • Application: Electric spindle, wood carving machine, engraving machine, CNC router, CNC machine tool spindle.
Spindle Bearing 1
Spindle Bearing 2
Spindle Bearing 3
Dimensions & Series Specifications
Type Shaft-Ø (mm) D B Da da r(min) Angle Weight (kg)
HCB7003-C-T-P4S-UL17351031210.415°0.033
HCB7004-C-T-P4S-UL20421237250.615°0.061
HCB7005-C-T-P4S-UL25471242300.615°0.065
HCB7006-C-T-P4S-UL3055134936115°0.103
HCB7007-C-T-P4S-UL3562145641115°0.135
HCB7008-C-T-P4S-UL4068156246115°0.168
HCB7009-C-T-P4S-UL4575166951115°0.197
HCB7010-C-T-P4S-UL5080167456115°0.214
Bearing Dimensions 1
Bearing Dimensions 2
Manufacturing Capability

Established in 1995, as a leading ball bearing manufacturer, we offer more than 1,000 kinds of ball bearings. With an excellent production and technical team, we supply high-quality products consistently.

Our main products include deep groove ball bearings, angular contact ball bearings, and high precision spindle bearings. These are widely used in electric motors, machinery tool spindles, CNC, NEVs, and other industrial fields.

  • Deep groove ball bearings: 34 production lines, 30,000,000pcs per year
  • Angular contact ball bearings: 14 production lines, 3,000,000pcs per year
  • Certificates: ISO16949:2016, ISO9001:2015
Factory Overview
Production Line
Quality Control 1
Quality Control 2
Certifications
Certification 1
Certification 2
Packaging & Shipping
Packaging 1
Packaging 2
Shipping
Frequently Asked Questions
Q1: What is the precision grade of these spindle bearings? A: These bearings are manufactured to P4 or P4S precision classes, ensuring high running accuracy and stability for high-speed applications.
Q2: Why are ceramic balls used in these hybrid bearings? A: Ceramic (Si3N4) balls are lighter, harder, and provide lower friction than steel balls, allowing for higher speeds, lower heat generation, and longer service life.
Q3: What are the typical applications for angular contact ball bearings? A: They are primarily used in high-speed precision equipment such as CNC machine tool spindles, electric spindles, woodworking machinery, and engraving machines.
Q4: Can these bearings handle axial loads? A: Yes, they are designed to handle high radial and axial loads in one direction. For axial loads in both directions, they are typically installed in pairs (X- or O-arrangement).
Q5: What type of lubrication is recommended? A: These bearings are often pre-greased with high-quality lubricants like Kluber grease (L252) to ensure optimal performance and reduced maintenance.
Q6: Are customized packaging options available? A: Our standard packaging includes box and carton arrangements. We ensure robust packaging to protect the high-precision surfaces during transport.

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