AST Bearings - KPB Control Bearings - Thin Section, Single Row

PART NUMBER	(B) BORE DIAM.	(D) OUTSIDE DIAM.	(H) OUTER RING WIDTH	(W) INNER RING WIDTH	BALLS		(E) INNER SHOULDER DIAM.	(C) 45° CHAMFER INNER RING I.D.	(A) 45° CHAMFER OUTER RING O.D.
PART NUMBER	+0.0000 -0.0010	+0.0000 -0.0010	+0.000 -0.005	+0.000 -0.005	NO.	SIZE	REF.	+0.015 -0.000	+0.015 -0.000
KP16B	1.0000	1.7500	0.375	0.437	23	3/16	1.141	0.024	0.024
KP21B	1.3130	2.0625	0.375	0.437	28	3/16	1.454	0.024	0.024
KP23B	1.4380	2.1875	0.375	0.437	30	3/16	1.574	0.024	0.024
KP25B	1.5630	2.3125	0.375	0.437	32	3/16	1.693	0.024	0.024
KP29B	1.8130	2.5625	0.375	0.437	36	3/16	1.931	0.024	0.024
KP33B	2.0630	2.8125	0.375	0.437	41	3/16	2.231	0.024	0.024
KP37B	2.3130	3.0625	0.375	0.437	45	3/16	2.468	0.024	0.024
KP47B	2.9380	3.8750	0.469	0.531	45	15/64	3.093	0.039	0.039
KP49B	3.0630	4.0000	0.469	0.531	44	1/4	3.222	0.039	0.039
KP52B	3.2500	4.1875	0.469	0.531	46	1/4	3.479	0.039	0.039
KP56B	3.5000	4.4375	0.469	0.531	50	1/4	3.775	0.039	0.039

DIMENSIONS IN INCHES
For non-military applications without cadmium plating.
*Teflon is a trademark of E.I. duPont de Nemours & Co., Inc.
For military applications with cadmium plating.

LOAD RATINGS

PART NUMBER STATIC LIMIT
LBS. DYNAMIC
RADIAL LOAD RATINGS
LBS.

RADIAL THRUST INNER RACE
ROTATING OUTER RACE
ROTATING

KP16B 8090 3600 4260 3960

KP21B 9840 4400 4590 4290

KP23B 10500 4700 4650 4360

KP25B 11300 5000 4680 4420

KP29B 12700 5600 4760 4530

KP33B 14400 6400 4820 4630

KP37B 15800 7000 4880 4690

KP47B 24700 10900 6600 6390

KP49B 27500 12100 8150 7840

KP52B 28700 12600 8210 7880

KP56B 31200 13700 8240 7970

Features:

Removable Teflon® seals

Operating temperature -65° to +250°F

Lubricated in accordance
to MIL-G-81322

Stainless steel also available

Custom sizes, tolerances, radial clearances, lubrication, etc. available on request