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DSP Series / MDSP Series

DSP series bearings are self-aligning, double row, aircraft control bearings manufactured to AS27643 per AS7949. Cadmium plated w/ stainless steel seal retainers.

Self-Aligning Double Row
Aircraft Control Bearing

Manufactured to AS27643 per AS7949
Self-aligning double row ball bearing
All external surfaces except bore and stainless steel seal retainers are cadmium plated
Installed with PTFE seals
Pre-lubricated (see grease specifications)

MDSP Series

Precision Series tolerances in light blue
When ordering precision parts be sure to add the “M” prefix to the standard part number

wdt_ID	Part Number	MS 27643-	Bore d (in.)<br>+.0000 to -.0005<br>+.0000 to -.0003	Outside Diameter D (in.)<br>+.0000 to -.0005<br>+.0000 to -.0004	Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025	Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005	Inner Land Diameter d1 (in.)<br>Approx.	Inner Ring Chamfer c1<br>(in.)	Outer Ring Chamfer c<br>(in.)	Radial Limit Load Rating (lbs.) †	Thrust Limit Load Rating (lbs.) †	Footnote(**)
1	DSP3	-3	0.1900	0.7774	0.500	0.392	0.304	0.005	0.022	1420	200
2	DSP4	-4	0.2500	0.9014	0.687	0.464	0.430	0.005	0.032	1780	300
3	DSP5	-5	0.3125	1.2500	0.812	0.656	0.515	0.015	0.032	3740	600
4	DSP6	-6*	0.3750	1.4375	0.937	0.750	0.564	0.015	0.032	5100	800	Refer to QLP-AS7949 for current approval status.
5	DSP8	-8*	0.5000	1.6875	1.000	0.812	0.775	0.015	0.044	7120	1000	Refer to QLP-AS7949 for current approval status.
6	DSP10	-10*	0.6250	1.9375	1.125	0.937	0.869	0.015	0.044	9000	1300	Refer to QLP-AS7949 for current approval status.
	Part Number	MS 27643-	Bore d (in.)<br>+.0000 to -.0005<br>+.0000 to -.0003	Outside Diameter D (in.)<br>+.0000 to -.0005<br>+.0000 to -.0004	Inner Ring Width B (in.)<br>+.000 to -.005<br>+.0000 to -.0025	Outer Ring Width C (in.)<br>+.000 to -.005<br>+.000 to -.005	Inner Land Diameter d1 (in.)<br>Approx.	Inner Ring Chamfer c1<br>(in.)	Outer Ring Chamfer c<br>(in.)	Radial Limit Load Rating (lbs.) †	Thrust Limit Load Rating (lbs.) †	Footnote(**)

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

* Refer to QLP-AS7949 for current approval status.

Notes:

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

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