Schatz Bearing Corporation - A Leading Provider of High-Quality Ball Bearings and Motion Control Products
DW, GDW Series Control Bearing

DW, GDW / MDW, MGDW Series

Aircraft Control Bearing

  • Manufactured to AS27647 per AS7949
  • Extra wide double row ball bearing
  • All external surfaces except bore and stainless steel seal retainers are cadmium plated
  • Installed with Teflon® seals
  • Pre-lubricated (see grease specifications)
  • These series is dimensionally interchangeable except the GDW series can be re-lubricated, through holes and a groove in the outer ring

MDW, MGDW Series

  • Precision Series tolerances in light blue
  • When ordering precision parts be sure to add the "M" prefix to the standard part number
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27647-
Bore

d

(in.)
Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter Inner Ring Chamfer Outer Ring Chamfer Radial Limit Load Rating Thrust Limit Load Rating
+.0000
-.0005
+.0000
-.0003
+.0000
-.0005
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
d1
(in.)
c1*
(in.)
c*
(in.)
(lbs.) † (lbs.) †
DW4K2* -4A 0.2500 0.6250 0.562 0.500 0.339 0.005 0.016 1400 500
GDW4K* -4AG 0.2500 0.6250 0.562 0.500 0.339 0.005 0.016 1400 500
DW4K* -4 0.2500 0.7500 0.875 0.750 0.380 0.005 0.016 2770 900
GDW4K* -4G 0.2500 0.7500 0.875 0.750 0.380 0.005 0.016 2770 900
DW4 - 0.2500 0.7500 0.875 0.750 0.375 0.005 0.016 3750 1240
GDW4 - 0.2500 0.7500 0.875 0.750 0.375 0.005 0.016 3750 1240
DW5 -5 0.3125 0.8750 0.938 0.813 0.469 0.005 0.016 5140 1600
GDW5 -5G 0.3125 0.8750 0.938 0.813 0.469 0.005 0.016 5140 1600
DW6 -6 0.3750 1.0625 1.188 1.063 0.573 0.005 0.016 8440 2600
GDW6 -6G 0.3750 1.0625 1.188 1.063 0.573 0.005 0.016 8440 2600
DW8 -8 0.5000 1.4375 1.500 1.375 0.712 0.005 0.032 15520 4700
GDW8 -8G 0.5000 1.4375 1.500 1.375 0.712 0.005 0.032 15520 4700

† Refer to the Technical Info section for Bearing Life Calculations.

* Retainer Type

 

Notes:

  1. Do not use bearings as track rollers, cam follower rolls or for similar applications.
  2. Check with Schatz Bearing Corporation for current approval status.
  3. Contact Schatz Bearing Corporation's Engineering Department for further technical information.
  4. Check with Schatz Bearing Corporation's Sales Department for price and availability.

 

Ball Bearing Material Options

 

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Schatz Bearing Corporation
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