Slewing Ring Design Worksheet
Rotek is the leader in large diameter slewing ring bearing design and manufacture

Use this form to enter the information we need to satisfy your application. Just click on the bottom of this page to submit it to us immediately.

Feel free to contact Rotek at 1-800-221-8043 with any questions you may have.

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.)

Gearing:

-- Include drawing of pinion if possible - -
Fax: (Sales) 330/562-4620 or
1400 South Chillicothe Road
P.O. Box 312
Aurora, Ohio 44202
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:

   

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