Reali-Slim® open bearings, KB series, type A

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A deep groove bearing with reduced shoulder on one side of inner or outer race ball path. Snapover assembly permits use of a one-piece circular pocket ring separator and greater ball complement. These bearings will accept radial load and single direction thrust load and are normally used in conjunction with another bearing of similar construction. Type A bearings require the application of thrust to establish contact angle.

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Kaydon part number	Dimensions in inches					Capacities¹				Approx. weight (lbs)
	Bore	Outside dia.	Land dia. L₁	Land dia. L₂	C'Bore dia. L₃	Radial (lbs)		Thrust (lbs)
	Bore	Outside dia.	Land dia. L₁	Land dia. L₂	C'Bore dia. L₃	Static²	Dyn.	Static²	Dyn.
KB020AR0	2.000	2.625	2.231	2.393	2.464	1,090	601	3,150	1,380	0.150
KB025AR0	2.500	3.125	2.731	2.893	2.964	1,340	675	3,860	1,590	0.190
KB030AR0	3.000	3.625	3.231	3.393	3.462	1,550	734	4,470	1,750	0.220
KB035AR0	3.500	4.125	3.731	3.893	3.962	1,790	801	5,180	1,930	0.270
KB040AR0	4.000	4.625	4.231	4.393	4.460	2,040	865	5,890	2,100	0.300
KB042AR0	4.250	4.875	4.481	4.643	4.710	2,150	891	6,200	2,170	0.310
KB045AR0	4.500	5.125	4.731	4.893	4.960	2,250	917	6,500	2,240	0.340
*KB047AR0	4.750	5.375	4.981	5.143	5.210	2,390	951	6,910	2,340	0.350
*KB050AR0	5.000	5.625	5.231	5.393	5.460	2,500	976	7,210	2,410	0.370
KB055AR0	5.500	6.125	5.731	5.893	5.958	2,740	1,033	7,920	2,560	0.400
KB060AR0	6.000	6.625	6.231	6.393	6.458	2,990	1,088	8,630	2,710	0.440
*KB065AR0	6.500	7.125	6.731	6.893	6.958	3,200	1,132	9,240	2,840	0.470
*KB070AR0	7.000	7.625	7.231	7.393	7.456	3,450	1,184	9,960	2,980	0.500
*KB075AR0	7.500	8.125	7.731	7.893	7.955	3,700	1,235	10,670	3,120	0.540
*KB080AR0	8.000	8.625	8.231	8.393	8.453	3,940	1,284	11,380	3,260	0.570
KB090AR0	9.000	9.625	9.231	9.393	9.451	4,400	1,370	12,700	3,510	0.640
*KB100AR0	10.000	10.625	10.231	10.393	10.449	4,890	1,461	14,120	3,760	0.710
*KB110AR0	11.000	11.625	11.231	11.393	11.447	5,350	1,540	15,440	4,000	0.780
*KB120AR0	12.000	12.625	12.231	12.393	12.445	5,840	1,623	16,860	4,240	0.850
*KB140AR0	14.000	14.625	14.231	14.393	14.439	6,760	1,767	19,500	4,670	0.980
*KB160AR0	16.000	16.625	16.231	16.393	16.433	7,710	1,907	22,250	5,100	1.120
*KB180AR0	18.000	18.625	18.231	18.393	18.425	8,660	2,038	24,990	5,510	1.260
*KB200AR0	20.000	20.625	20.231	20.393	20.416	9,610	2,162	27,730	5,900	1.400

Notes
1	Capacities listed are not simultaneous. For combined loading see discussion of Bearing Selection and Load Analysis in "Catalog 300—Ball & Roller Bearings". Dynamic capacities are based upon 1 million revolutions of L₁₀ life. Published capacities do not apply to hybrid series bearings P, X, and Y. Contact Kaydon product engineering for values.
2	Static capacities are non-brinell limits based on rigid support from the shaft and housing.
3	"F" is the maximum shaft or housing fillet radius the bearing corners will clear.
*	Contact Kaydon for lead time and minimum purchase requirement.

Related downloads
Catalog 300: open bearings, type A (Adobe PDF)
Catalog 300: all pages (Adobe PDF)
Precision tolerances and recommended fits (Adobe PDF)

Adobe Acrobat Reader

Circular pocket separator
5/32" balls

³F = 0.040
Bearing corners are
normally chamfered

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