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SCHATZ Airframe Control/Aerospace Bearings

DPP/MDPP Series

dpp

Radial Type/Double Row
Aircraft Control Bearing

  • Manufactured to AS27644 per AS7949
  • 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)

MDPP 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
27644-
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Inner Ring Chamfer
c1
Outer Ring Chamfer
c
Radial Limit Load Rating
Thrust Limit Load Rating
+.0007
-.0005
+.0000
-.0003
+.0000
-.0005
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx.
+.015
-.000
+.015
-.000
(lbs.) †
(lbs.) †
DPP3
-3
0.1900
0.7774
0.495
0.473
0.302
0.005
0.018
2950
1700
DPP4
-4
0.2500
0.9014
0.620
0.491
0.410
0.005
0.032
5370
1800
DPP5
-5
0.3125
1.2500
0.745
0.687
0.469
0.015
0.032
11000
4000
DPP6
-6*
0.3750
1.4375
0.870
0.794
0.551
0.015
0.032
15760
5300
DPP8
-8*
0.5000
1.6875
0.932
0.856
0.735
0.015
0.044
23600
7800
DPP10
-10*
0.6250
1.9375
0.995
0.920
0.890
0.015
0.044
28400
9400
(Click on Bearing Part Number to get 2D/3D CAD files from VirtualCAD)
Bearing
Part
Number
MS
27644-
Bore

d
(in.)

Outside Diameter
D

(in.)
Inner Ring Width
B

(in.)
Outer Ring Width
C

(in.)
Inner Land Diameter
d1
Inner Ring Chamfer
c1
Outer Ring Chamfer
c
Radial Limit Load Rating Thrust Limit Load Rating
+.0007
-.0005
+.0000
-.0003
+.0000
-.0005
+.0000
-.0004
+.000
-.005
+.0000
-.0025
+.000
-.005
+.000
-.005
Approx. +.015
-.000
+.015
-.000
(lbs.) † (lbs.) †
DPP3 -3 0.1900 0.7774 0.495 0.473 0.302 0.005 0.018 2950 1700
DPP4 -4 0.2500 0.9014 0.620 0.491 0.410 0.005 0.032 5370 1800
DPP5 -5 0.3125 1.2500 0.745 0.687 0.469 0.015 0.032 11000 4000
DPP6 -6* 0.3750 1.4375 0.870 0.794 0.551 0.015 0.032 15760 5300
DPP8 -8* 0.5000 1.6875 0.932 0.856 0.735 0.015 0.044 23600 7800
DPP10 -10* 0.6250 1.9375 0.995 0.920 0.890 0.015 0.044 28400 9400

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

* Refer to QLP-AS7949 for current approval status.

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.

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