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Hybrid Spindle Bearings HCB7007-C-T-P4S

HCB7007-C-T-P4S hybrid ceramic spindle bearing 35x62x14mm bearing bearing 35*62*14mm spindle bearing HCB7007-C-T-P4S

Description

Hybrid spindle bearings HCB7007-C-T-P4S have bearing rings made from steel and in contrast to standard spindle bearings, rolling elements made from ceramic(Si3N4)


Specifications of spindle bearing HCB7007-C-T-P4S

hcb7007-c-t-p4s spindle bearings

d35  mm 
D62  mm 
B14  mm 
a13,5  mm 
Da56  mm Tolerance:   H12
da41  mm Tolerance: h12
Etk   max46,3  mm 
Etk min44,5  mm 
Etk1   max46,3  mm 
Etk1 min44,5  mm 
r1   min1  mm 
ra max1  mm 
ra1   max0,3  mm 
rmin1  mm 
α15  ° Contact   angle
m0,135  kg ≈ Mass
Cr19400  N Basic   dynamic load rating, radial
C0r9200  N Basic static load rating, radial
Cur740  N Fatigue   limit load, radial
nG Fett34000  1/min Limiting speed for grease lubrication





The limiting speeds are based on elastically   preloaded single bearings.
nG   Öl53000  1/min Limiting   speed for minimal quantity oil lubrication

Code analyse of hybrid spindle bearing HCB7007-C-T-P4S

HCB-hybrid standard, ceramic balls

C-15°

T-laminated fabric cage, guidance on outer ring

P4S-Better than P4 to DIN 620


The advantage of hybrid spindle bearings HCB7007-C-T-P4S

Rolling bearings made from steel tend to undergo adhesive wear at the rolling contact in conditions of poor lubrication. Metallic contact leads, particularly under high contact pressure at the rolling  contact, to cold bonding at the surface, result in wear. Due to the favourable tribological characteristics of the steel/ceramic combination places significantly less strain on the lubricants.


In comparison with a steel/steel combination, the steel/ceramic combinnation places significantly less strain on the lubricant, since the contact epplipses are smaller in hybrid bearings. As a result, there is less shearing of the lubricant. At the same time, there is less thermal strain in comparison with bearings made completely from steel.


Hybrid spindle bearings HCB7007-C-T-P4S achieve very high speeds, have lower friction and heat generation, a longer operating life, place less strain on the lubricant and are insensitive to lubricant starvation.


Though the use of hybrid bearings HCB7007-C-T-P4S, the operating limits of bearings with grease lubrication have been shifted to significantly higher speed ranges. This results in considerable savings on overall machine system costs.

spindle bearing usage spindle bearing FAG-hcb7007-c-t-p4s FAG spindle bearing

For more ceramic hybrid spindle bearings, freely get in touch with Mr Gavin Chu for details.(gavinchu@sunrises-group.com)

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