Designation: 7000 CD/HCP4A
The other design: 7000 ACD/P4A, 7000 CD/P4A, 7000 ACD/HCP4A, 7000 CE/HCP4A, 7000 CE/P4A, 7000 ACE/P4A
Interchange: GRW, HQW, Zwicker, SKF, FAG, NSK, GMN
Dimension: 10*26*8mm
Weight: 0.02kg
Application: Machine Tool Spindles, High Speed Applications
Type: Super Precision Angular Contact Ball Bearings
Elements: Ceramic Balls
Degree: 15° contact angle, high-capacity design
Bearings for main spindles are available as:
super precision angular contact ball bearings
single row, as single bearings or in sets
contact angle 15°, 25°
with large or small balls
rolling elements made from rolling bearing steel or ceramic
rings made from rolling bearing steel or Cronidur
Direct Lube bearings
super precision cylindrical roller bearings
super precision axial bearings , i.e. super precision axial angular contact ball bearings 2344, super precision angular contact ball bearings BAX
double direction
contact angle 30°, 40°, 60°
rolling elements made from rolling bearing steel
rings made from rolling bearing steel
cages made from brass, laminated fabric
Application of High Speed Bearing 7000 CD/HCP4A
Super-precision, high-capacity, universally matchable single row angular contact ball bearing
These super-precision, high-capacity, single row angular contact ball bearings accommodate radial and axial loads acting simultaneously, where the axial load acts in one direction only. They are designed to accommodate heavy loads at relatively high speeds under low to moderate operating temperatures. Being universally matchable, they can be used together in arrangements to provide effective load sharing, within a predetermined preload range, without the use of shims or similar devices.
Very high running accuracy
Very high load carrying capacity
Relatively high speed and stiffness
Universally matchable
What is Hybrid Bearings and Why Hybrid bearings?
Hybrid angular contact ball bearings (designation suffix HC) have rings made of bearing steel and rolling elements made of bearing grade silicon nitride (ceramic). As ceramic balls are lighter and have a higher modulus of elasticity and lower coefficient of thermal expansion than steel balls, hybrid bearings can provide the following advantages:
• higher degree of rigidity
• higher speed capability
• reduced centrifugal and inertial forces within the bearing
• minimized stress at the outer ring rolling contacts at high speeds
• reduced frictional heat • less energy consumption
• extended bearing and grease service life
• less prone to skid smearing damage and cage damage when subject to frequent rapid starts and stops
• less sensitive to temperature differences within the bearing
• more accurate preload/clearance control
