Technical Reference
Heavy Duty Ball Transfer Units – Maximum Precision
Omnitrack Heavy Duty 9000 series ball transfers – In continuous production since 1954. Rapidly restore performance within minutes by using Service Kits S1 & S2 offering 2 levels of components & full overhaul instructions. Factory reconditioning service for spring loaded & custom units as these may require special tooling for safe disassembly. To order state original part number, any identification mark & Service Kit required eg S1-9241. If in doubt, contact us & we’ll keep you rolling!
Maximum load rating unaffected at any orientation
Low Friction1 : 0,005
High Shock Resistence
Temperature-50/260ºC
Speed2m/sec
Drain / Debris Channels9000 Series only
User Serviceable9000 Series only
Precise Machined ConstructionDebris & Drain Channels
All units (main ball) > 15.8mm
Anti-oxide Electrophoretic black finish
> 330 hours ISO salt resistance
Stainless Steel Units
Natural finish
Component materials & Corrosion resistance
 |  |  |  |  |  | |
|---|---|---|---|---|---|---|
| All Stainless Steel Parts | 1 | 1 | 1 | 2 | 3 | 3 |
| Arduous Conditions | 4 | 4 | 1 | 5 | 3 | 3 |
| Stainless steel balls, other materials as standard | 4 | 4 | 6 | 5 | 3 | 6 |
| Standard Materials | 4 | 4 | 6 | 5 | 6 | 6 |
- AISI 304 stainless steel
- AISI 302 stainless steel
- AISI 440 stainless steel
- AISI 1050 ‘Anti-oxide’ finish
- AISI 1070 carbon steel
- AISI 52100 chrome steel
Load & stability
Specify spring loaded units where shock loads & uneven track conditions exist.
Ensure sufficient load capacity:
Operating temperature
Compensate for temperature & operating environment by reducing stated load capacity.
Evaluate these aspects when choosing your solution:
OrientationWhich position does your application require the units to be mounted or function? Load ball up, down or other? Heavy duty range units operate at maximum load in all orientations.
Track & ContactWhat is the condition, hardness & surface finish of the material the units will be conveying or bearing against? Uneven, deformable & delicate surfaces need special consideration.
Load & ShockDynamic & static load ratings are identical. Where loads are unevenly distributed or high impact/shock conditions exist, spring loaded units are ideal.
SpeedMaximum conveying speeds are limited; frequency & duration may also require consideration. Dynamic & static speed ratings are identical.
Track & ContactLowest coefficient of friction & highest levels of precision movement are provided by the heavy duty ball units (pages 4 – 9). Some applications will allow a design concession to be made.
Load & ShockConsider the stability of the conveyed item. Ensure sufficient points of contact (pitch) to consistently support the mass. Provision for control & braking of the mass should not be overlooked.
EnvironmentConsider material upgrade options to better resist adverse environmental operating conditions. Dirty or dusty conditions? Wet & contaminated areas? Chemical attack / contamination? Magnetic permeability & radioactive fields?
Lubrication & ServiceOmnitrack products are lubricated for life. To further extend service life, heavy duty ball transfers & Omnifloat ranges offer additional user-service kits. Consult page 7 for heavy duty ball units & page 20 for Omnifloat glass handling casters.
TemperatureAmbient temperature & maximum/minimum temperature ranges must be evaluated. Stainless steel components resist higher & lower temperatures better than standard materials (page 29).
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