Design Your Bearings Worksheet

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Name
Email
Title
Company
Street Address
City
State
Zip (must include)
Phone
Fax
Send Catalog: Yes
Description Of Application
New Application Yes
Replacement For
Project Reference

Bearing loads/speed/duty (required data)
Load Condition: (Max, Normal, etc...)

Axial load* lbs lbs lbs
Moment load ft-lbs ft-lbs ft-lbs
Radial load lbs lbs lbs
Gear tooth loads** (choose units) lbs lbs lbs

Or, Gear torque **
(choose units)

ft-lbs

ft-lbs

ft-lbs
Duty (% of rotation) % % %
Mean rotational speed rpm rpm rpm
* Enter axial loads as a positive value if compression and a negative value if tensile.
** Tooth loads are loads per tooth. Torque load is total torque on the ring gear.
Rotating Race:
Axis of Rotation:
Direction of Rotation:
Amount of Rotation:
Outer rotates

Vertical axis
(Mtg horizontal)
Primarily unidirectional
Continuous
Inner rotates
Horizontal axis
(Mtg vertical)
Oscillating
Intermittent
Max. Speed
rpm
Inclined:
From vertical axis *
Max. angle of rotation:
Required life:

Space Limits:
Preferred
Range
Outside diameter:
inches
inches (max.)
Inside diameter:
inches
inches (min.)
Overall height:
inches
inches (max.)
Raceway diameter:
inches
inches (min.)
inches (max.)
External gear Internal gear No gearing
Tooth form:
Required reduction ratio:
Number of pinion teeth:
Number of pinion drives:

Bolts:

SAE only

Metric only

SAE or Metric
Outer race bolt holes: Thru
Thru and counterbored
Tapped
Tapped and counterbored
No preference
Inner race bolt holes: Thru
Thru and counterbored
Tapped
Tapped and counterbored
No preference

Special requirements:
(check where applicable)
Manual rotation
Seals required
Extremely dirty
High temperature (>125 degrees F)
Max temperature  degrees F
API, ABS, DNV or Lloyds certification required
Precision/preloaded bearing (Please provide details below)
Precision gearing      Gear quality
Rolling elements must be caged.  No spacers.
No grease lubrication
Oil lubrication

Specific location of grease ports:
 No Preference

Outer race:
O D
Mounting side
Non-mounting side

Inner race:

 I D
Mounting side
Non-mounting side
Additional comments: