Inch Open Type A Thin Section Bearings

In applications with axial loads in one direction the A-Type, angular contact ball bearing should be used. This bearing also works well in radial or combined radial-thrust applications. The A-Type bearing should never be used alone to support moment loads or reversing axial loading.

Two A-Type bearings are often used as a duplex pair. Different configurations for duplex bearings are shown in the Engineering section of this catalog. Please contact Silverthin™ for application of these bearings.

Loading Condition
Radial	Axial	Moment	Reversing Axial	Combined Radial Thrust
Good	Excellent	Excellent (use In pairs)	Excellent (use In pairs)	Good

Nylon; circular pocket separator standard

3/32" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.015"
Race Width Tolerance: +0.000 -0.005"

SAA SERIES 3/16" x 3/16"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SAA10AG0	1.000	1.375	1.140	1.235	1.274	340	195	970	450	0.03
SAA15AG0	1.500	1.875	1.640	1.735	1.774	480	240	1,380	560	0.04
SAA17AG0	1.750	2.125	1.890	1.985	1.990	530	250	1,520	600	0.04

Brass; one piece pocket separator standard

1/8" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.025"
Race Width Tolerance: +0.000 -0.005"

SA SERIES 1/4" x 1/4"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SA020AR0	2.000	2.500	2.186	2.314	2.369	790	405	2,280	960	0.10
SA025AR0	2.500	3.000	2.686	2.814	2.869	960	460	2,780	1,100	0.13
SA030AR0	3.000	3.500	3.186	3.314	3.367	1,140	505	3,290	1,230	0.15
SA035AR0	3.500	4.000	3.686	3.814	3.867	1,310	550	3,790	1,350	0.18
SA040AR0	4.000	4.500	4.186	4.314	4.367	1,490	595	4,300	1,470	0.19
SA042AR0	4.250	4.750	4.436	4.564	4.615	1,580	615	4,550	1,530	0.20
SA045AR0	4.500	5.000	4.686	4.814	4.865	1,660	635	4,810	1,580	0.22
SA047AR0	4.750	5.250	4.936	5.064	5.115	1,750	655	5,060	1,640	0.23
SA050AR0	5.000	5.500	5.186	5.314	5.365	1,840	675	5,310	1,690	0.24
SA055AR0	5.500	6.000	5.686	5.814	5.863	2,020	715	5,820	1,800	0.25
SA060AR0	6.000	6.500	6.186	6.314	6.363	2,190	750	6,320	1,900	0.28
SA065AR0	6.500	7.000	6.686	6.814	6.861	2,370	790	6,830	2,000	0.30
SA070AR0	7.000	7.500	7.186	7.314	7.361	2,540	825	7,340	2,100	0.31
SA075AR0	7.500	8.000	7.686	7.814	7.861	2,720	855	7,840	2,190	0.34
SA080AR0	8.000	8.500	8.186	8.314	8.359	2,890	890	8,350	2,280	0.38
SA090AR0	9.000	9.500	9.186	9.314	9.357	3,240	955	9,360	2,470	0.44
SA100AR0	10.000	10.500	10.186	10.314	10.355	3,590	1,015	10,370	2,640	0.50
SA110AR0	11.000	11.500	11.186	11.314	11.353	3,940	1,070	11,380	2,810	0.52
SA120AR0	12.000	12.500	12.186	12.314	12.349	4,290	1,130	12,390	2,970	0.56

Brass; one piece pocket separator standard

5/32" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.040"
Race Width Tolerance: +0.000 -0.005"

SB SERIES 5/16" x 5/16"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SB020AR0	2.000	2.625	2.231	2.393	2.464	1,090	600	3,150	1,380	0.16
SB025AR0	2.500	3.125	2.731	2.893	2.964	1,340	675	3,860	1,590	0.19
SB030AR0	3.000	3.625	3.231	3.393	3.462	1,550	735	4,470	1,750	0.24
SB035AR0	3.500	4.125	3.731	3.893	3.962	1,790	800	5,180	1,930	0.29
SB040AR0	4.000	4.625	4.231	4.393	4.460	2,040	865	5,890	2,100	0.30
SB042AR0	4.250	4.875	4.481	4.643	4.710	2,150	890	6,200	2,170	0.31
SB045AR0	4.500	5.125	4.731	4.893	4.960	2,250	915	6,500	2,240	0.33
SB047AR0	4.750	5.375	4.981	5.143	5.210	2,390	950	6,910	2,340	0.34
SB050AR0	5.000	5.625	5.231	5.393	5.460	2,500	975	7,210	2,410	0.38
SB055AR0	5.500	6.125	5.731	5.893	5.958	2,740	1,035	7,920	2,560	0.41
SB060AR0	6.000	6.625	6.231	6.393	6.458	2,990	1,090	8,630	2,710	0.44
SB065AR0	6.500	7.125	6.731	6.893	6.958	3,200	1,130	9,240	2,840	0.47
SB070AR0	7.000	7.625	7.231	7.393	7.456	3,450	1,185	9,960	2,980	0.50
SB075AR0	7.500	8.125	7.731	7.893	7.955	3,700	1,235	10,670	3,120	0.53
SB080AR0	8.000	8.625	8.231	8.393	8.453	3,940	1,285	11,380	3,260	0.57
SB090AR0	9.000	9.625	9.231	9.393	9.451	4,400	1,370	12,700	3,510	0.66
SB100AR0	10.000	10.625	10.231	10.393	10.449	4,890	1,460	14,120	3,760	0.73
SB110AR0	11.000	11.625	11.231	11.393	11.447	5,350	1,540	15,440	4,000	0.75
SB120AR0	12.000	12.625	12.231	12.393	12.445	5,840	1,625	16,860	4,240	0.83
SB140AR0	14.000	14.625	14.231	14.393	14.439	6,760	1,765	19,500	4,670	1.05
SB160AR0	16.000	16.625	16.231	16.393	16.433	7,710	1,905	22,250	5,100	1.20
SB180AR0	18.000	18.625	18.231	18.393	18.425	8,660	2,040	24,990	5,510	1.35
SB200AR0	20.000	20.625	20.231	20.393	20.416	9,610	2,160	27,730	5,900	1.50

Brass; one piece pocket separator standard

3/16" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.040"
Race Width Tolerance: +0.000 -0.005"

SC SERIES 3/8" x 3/8"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SC040AR0	4.000	4.750	4.277	4.473	4.554	2,550	1,155	7,360	2,770	0.45
SC042AR0	4.250	5.000	4.527	4.723	4.804	2,710	1,195	7,820	2,880	0.47
SC045AR0	4.500	5.250	4.777	4.973	5.052	2,860	1,235	8,270	2,990	0.48
SC047AR0	4.750	5.500	5.027	5.223	5.302	3,020	1,275	8,720	3,100	0.50
SC050AR0	5.000	5.750	5.277	5.473	5.552	3,180	1,315	9,170	3,200	0.58
SC055AR0	5.500	6.250	5.777	5.973	6.052	3,440	1,375	9,920	3,370	0.59
SC060AR0	6.000	6.750	6.277	6.473	6.550	3,750	1,450	10,820	3,580	0.63
SC065AR0	6.500	7.250	6.777	6.973	7.050	4,060	1,520	11,720	3,770	0.68
SC070AR0	7.000	7.750	7.277	7.473	7.550	4,320	1,575	12,470	3,930	0.73
SC075AR0	7.500	8.250	7.777	7.973	8.048	4,630	1,640	13,380	4,120	0.78
SC080AR0	8.000	8.750	8.277	8.473	8.548	4,950	1,710	14,280	4,300	0.84
SC090AR0	9.000	9.750	9.277	9.473	9.546	5,520	1,820	15,930	4,630	0.94
SC100AR0	10.000	10.750	10.277	10.473	10.544	6,140	1,940	17,730	4,970	1.06
SC110AR0	11.000	11.750	11.277	11.473	11.542	6,720	2,045	19,390	5,280	1.16
SC120AR0	12.000	12.750	12.277	12.473	12.540	7,290	2,145	21,040	5,570	1.25
SC140AR0	14.000	14.750	14.277	14.473	14.535	8,490	2,345	24,500	6,170	1.52
SC160AR0	16.000	16.750	16.277	16.473	16.529	9,680	2,535	27,950	6,730	1.73
SC180AR0	18.000	18.750	18.277	18.473	18.523	10,880	2,705	31,410	7,280	1.94
SC200AR0	20.000	20.750	20.277	20.473	20.517	12,030	2,865	34,720	7,780	2.16
SC250AR0	25.000	25.750	25.277	25.473	25.500	14,900	3,235	43,280	9,010	2.69
SC300AR0	30.000	30.750	30.277	30.473	30.484	17,960	3,560	51,850	10,160	3.21

Brass; one piece pocket separator standard

1/4" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.060"
Race Width Tolerance: +0.000 -0.005"

SD SERIES 1/2" x 1/2"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SD040AR0	4.000	5.000	4.370	4.630	4.741	3,550	1,820	10,260	4,260	0.78
SD042AR0	4.250	5.250	4.620	4.880	4.991	3,750	1,875	10,830	4,420	0.83
SD045AR0	4.500	5.500	4.870	5.130	5.241	3,950	1,930	11,400	4,570	0.88
SD047AR0	4.750	5.750	5.120	5.380	5.490	4,150	1,985	11,970	4,720	0.94
SD050AR0	5.000	6.000	5.370	5.630	5.740	4,340	2,040	12,540	4,870	1.00
SD055AR0	5.500	6.500	5.870	6.130	6.238	4,740	2,145	13,680	5,160	1.06
SD060AR0	6.000	7.000	6.370	6.630	6.738	5,130	2,245	14,820	5,440	1.16
SD065AR0	6.500	7.500	6.870	7.130	7.236	5,530	2,345	15,960	5,720	1.22
SD070AR0	7.000	8.000	7.370	7.630	7.736	5,920	2,440	17,100	5,990	1.31
SD075AR0	7.500	8.500	7.870	8.130	8.236	6,320	2,535	18,240	6,250	1.41
SD080AR0	8.000	9.000	8.370	8.630	8.734	6,710	2,625	19,380	6,510	1.53
SD090AR0	9.000	10.000	9.370	9.630	9.732	7,500	2,805	21,660	7,010	1.72
SD100AR0	10.000	11.000	10.370	10.630	10.732	8,290	2,970	23,940	7,500	1.88
SD110AR0	11.000	12.000	11.370	11.630	11.730	9,080	3,135	26,220	7,960	2.06
SD120AR0	12.000	13.000	12.370	12.630	12.728	9,870	3,290	28,500	8,420	2.25
SD140AR0	14.000	15.000	14.370	14.630	14.724	11,450	3,580	33,060	9,290	2.73
SD160AR0	16.000	17.000	16.370	16.630	16.718	13,030	3,855	37,620	10,130	3.10
SD180AR0	18.000	19.000	18.370	18.630	18.712	14,610	4,115	42,180	10,930	3.48
SD200AR0	20.000	21.000	20.370	20.630	20.705	16,190	4,355	46,740	11,710	3.85
SD250AR0	25.000	26.000	25.370	25.630	25.688	20,140	4,910	58,140	13,540	4.79
SD300AR0	30.000	31.000	30.370	30.630	30.672	24,090	5,395	69,540	15,260	5.73

Brass; one piece pocket separator standard

3/8" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.080"
Race Width Tolerance: +0.000 -0.005"

SF SERIES 3/4" x 3/4"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SF040AR0	4.000	5.500	4.555	4.945	5.115	6,350	3,735	18,340	8,420	1.90
SF042AR0	4.250	5.750	4.805	5.195	5.365	6,600	3,805	19,050	8,630	2.00
SF045AR0	4.500	6.000	5.060	5.445	5.615	7,090	3,965	20,460	9,050	2.10
SF047AR0	4.750	6.250	5.305	5.695	5.865	7,330	4,035	21,160	9,260	2.20
SF050AR0	5.000	6.500	5.555	5.945	6.115	7,570	4,100	21,870	9,460	2.30
SF055AR0	5.500	7.000	6.055	6.445	6.613	8,310	4,320	23,980	10,060	2.50
SF060AR0	6.000	7.500	6.555	6.945	7.113	9,040	4,530	26,100	10,650	2.70
SF065AR0	6.500	8.000	7.055	7.445	7.613	9,770	4,735	28,220	11,220	2.90
SF070AR0	7.000	8.500	7.555	7.945	8.113	10,510	4,930	30,330	11,770	3.20
SF075AR0	7.500	9.000	8.055	8.445	8.610	11,000	5,050	31,740	12,130	3.40
SF080AR0	8.000	9.500	8.555	8.945	9.110	11,730	5,240	33,860	12,670	3.50
SF090AR0	9.000	10.500	9.555	9.945	10.108	13,190	5,610	38,090	13,700	3.90
SF100AR0	10.000	11.500	10.555	10.945	11.106	14,420	5,890	41,620	14,530	4.30
SF110AR0	11.000	12.500	11.555	11.945	12.106	15,880	6,225	45,850	15,500	4.80
SF120AR0	12.000	13.500	12.555	12.945	13.104	17,100	6,485	49,380	16,290	5.20
SF140AR0	14.000	15.500	14.555	14.945	15.102	19,790	7,045	57,140	17,950	6.00
SF160AR0	16.000	17.500	16.555	16.945	17.098	22,480	7,565	64,890	19,540	7.10
SF180AR0	18.000	19.500	18.555	18.945	19.096	25,410	8,105	73,360	21,210	7.90
SF200AR0	20.000	21.500	20.555	20.945	21.092	28,100	8,560	81,120	22,680	8.90
SF250AR0	25.000	26.500	25.555	25.945	26.085	34,700	9,585	100,200	26,100	10.90
SF300AR0	30.000	31.500	30.555	30.945	31.075	41,540	10,535	119,900	29,430	13.00
SF350AR0	35.000	36.500	35.555	35.945	36.064	48,380	11,380	139,700	32,580	15.10

Brass; one piece pocket separator standard

1/2" balls

Load capacities are not additive
The maximum shaft or housing fillet radius that the bearing corners will clear for this series is 0.080"
Race Width Tolerance: +0.000 -0.005"

SG SERIES 1" x 1"
SILVERTHIN PART NUMBER	DIMENSION IN INCHES					CAPACITIES IN POUNDS				APPROX WEIGHT POUNDS
	BORE	OUTSIDE DIA	LAND DIA	LAND DIA	C'BORE DIA	RADIAL		THRUST
	B	D	L₁	L₂	L₃	STATIC	DYN	STATIC	DYN
SG040AR0	4.000	6.000	4.742	5.258	5.491	9,480	6,280	27,360	13,630	3.60
SG042AR0	4.250	6.250	4.992	5.508	5.741	9,950	6,440	28,730	14,090	3.80
SG045AR0	4.500	6.500	5.242	5.758	5.989	10,430	6,560	30,100	14,530	4.00
SG047AR0	4.750	6.750	5.492	6.008	6.239	10,900	6,745	31,460	14,970	4.10
SG050AR0	5.000	7.000	5.742	6.258	6.489	11,370	6,895	32,830	15,400	4.30
SG055AR0	5.500	7.500	6.242	6.758	6.989	12,320	7,190	35,570	16,240	4.70
SG060AR0	6.000	8.000	6.742	7.258	7.489	13,270	7,480	38,300	17,060	5.10
SG065AR0	6.500	8.500	7.242	7.758	7.987	14,220	7,760	41,040	17,870	5.40
SG070AR0	7.000	9.000	7.742	8.258	8.487	15,160	8,035	43,780	18,650	5.80
SG075AR0	7.500	9.500	8.242	8.758	8.987	16,110	8,305	46,510	19,420	6.10
SG080AR0	8.000	10.000	8.742	9.258	9.485	17,060	8,565	49,250	20,180	6.50
SG090AR0	9.000	11.000	9.742	10.258	10.485	18,960	9,075	54,720	21,640	7.20
SG100AR0	10.000	12.000	10.742	11.258	11.483	20,850	9,560	60,190	23,060	7.90
SG110AR0	11.000	13.000	11.742	12.258	12.481	22,750	10,025	65,660	24,440	8.60
SG120AR0	12.000	14.000	12.742	13.258	13.481	24,640	10,480	71,140	25,780	9.30
SG140AR0	14.000	16.000	14.742	15.258	15.478	28,430	11,340	82,080	28,360	10.80
SG160AR0	16.000	18.000	16.742	17.258	17.474	32,220	12,140	93,020	30,830	12.30
SG180AR0	18.000	20.000	18.742	19.258	19.472	36,020	12,900	104,000	33,200	13.70
SG200AR0	20.000	22.000	20.742	21.258	21.468	39,810	13,610	114,900	35,490	15.80
SG250AR0	25.000	27.000	25.742	26.258	26.461	49,280	15,240	142,300	40,920	19.50
SG300AR0	30.000	32.000	30.742	31.258	31.451	58,760	16,685	169,600	46,020	23.30
SG350AR0	35.000	37.000	35.742	36.258	36.440	68,240	17,980	197,000	50,840	27.10

Inch Open Type A Thin Section Bearings

SAA SERIES 3/16" x 3/16"

SA SERIES 1/4" x 1/4"

SB SERIES 5/16" x 5/16"

SC SERIES 3/8" x 3/8"

SD SERIES 1/2" x 1/2"

SF SERIES 3/4" x 3/4"

SG SERIES 1" x 1"

Part Number Cross Reference

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