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KP-B Series and MKP-B Series Bearings

KP-B series bearings from Schatz are single row, tube-type, airframe control bearings. MKP-B products are precision bearings. ABEC tolerances.

KP-B Series Bearings

Single row ball bearing
Installed with PTFE seals
All external surfaces except bore and stainless steel seal retainers are cadmium plated
Pre-lubricated (see grease specifications)

MKP-B Series Bearings

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 27G42-	Bore d (in.)<br>+.0000 to -.0010<br>+.0000 to -.0010	Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to – .0010	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<br>c1 (in.)	Outer Ring Chamfer<br>c (in.)	Radial Limit Load Rating (lbs.) †	Thrust Limit Load Rating (lbs.) †	Footnote(**)
1	KP16B	-16	1.0000*	1.7500	0.437	0.375	1.141	0.024	0.024	8090	3600	+.0000 inch/-.0005 inch
2	KP21B	-21	1.3130	2.0625	0.437	0.375	1.454	0.024	0.024	9640	4400
3	KP23B	-23	1.4380	2.1875	0.437	0.375	1.574	0.024	0.024	10500	4700
4	KP25B	-25	1.5630	2.3125	0.437	0.375	1.693	0.024	0.024	11300	5000
5	KP29B	-29	1.8130	2.5625	0.437	0.375	1.931	0.024	0.024	12700	5600
6	KP33B	-33	2.0630	2.8125	0.437	0.375	2.231	0.024	0.024	14400	6400
7	KP37B	-37	2.3130	3.0625	0.437	0.375	2.468	0.024	0.024	15800	7000
8	KP47B	-47	2.9380	3.8750	0.531	0.469	3.093	0.039	0.039	24700	10900
9	KP49B	-49	3.0630	4.0000	0.531	0.469	3.222	0.039	0.039	27500	12100
10	KP52B	-52	3.2500	4.1875	0.531	0.469	3.479	0.039	0.039	28700	12600
11	KP56B	-56	3.5000	4.4375	0.531	0.469	3.775	0.039	0.039	31200	13700
	Part Number	MS 27G42-	Bore d (in.)<br>+.0000 to -.0010<br>+.0000 to -.0010	Outside Diameter D (in.)<br>+.0000 to -.0010<br>+.0000 to – .0010	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<br>c1 (in.)	Outer Ring Chamfer<br>c (in.)	Radial Limit Load Rating (lbs.) †	Thrust Limit Load Rating (lbs.) †	Footnote(**)

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

†† Contact us for availability.

Notes for KP-B Series and MKP-B Series Bearings:

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