Thin Section Ball Bearings - Angular Contact, A-Type On Roller Bearing Company Inc.

In applications with high axial loads 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.

Duplex bearings are a pair of angular contact RBC Thin Section Ball Bearings specially ground for use as a matched set. A duplexed pair can be used to provide accurate shaft location, to increase capacity or to increase stiffness of the bearing assembly. A duplex pair of RBC Thin Section Ball Bearings is ground so that when mounted using recommended fits, there will be no internal clearance in the bearings. There are three basic mounting methods to accommodate different loading requirements:
• Back-to-Back (DB), B-Type
• Face-to-Face (DF), F-Type
• Tandem (DT), T-Type

Features of A-Type Thin Section Bearings:
• Large Diameter
• Light Weight
• Small Cross Section
• Circular Pocket Ball Separator

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Bore (B) (in)

Outside Diameter (D) (in)

Outside Ring Width (W) (in)

Housing Fillet (in)

Item #	Bore (B)	Outside Diameter (D)	Outside Ring Width (W)	Housing Fillet	Dynamic Radial	Static Radial

KAA10AG0-RBC	N/A 1.00 in	N/A 1.38 in	N/A 0.1875 in	N/A 0.015 in	N/A 960 lbf	N/A 970 lbf
SAA10AG0-RBC	N/A 1.00 in	N/A 1.38 in	N/A 0.1875 in	N/A 0.015 in	N/A 960 lbf	N/A 970 lbf
KAA15AG0-RBC	N/A 1.50 in	N/A 1.88 in	N/A 0.1875 in	N/A 0.015 in	N/A 1100 lbf	N/A 1380 lbf
SAA15AG0-RBC	N/A 1.50 in	N/A 1.88 in	N/A 0.1875 in	N/A 0.015 in	N/A 1100 lbf	N/A 1380 lbf
KAA17AG0-RBC	N/A 1.75 in	N/A 2.13 in	N/A 0.1875 in	N/A 0.015 in	N/A 1122 lbf	N/A 1520 lbf
KA020AR0-RBC	N/A 2.00 in	N/A 2.50 in	N/A 0.25 in	N/A 0.025 in	N/A 1730 lbf	N/A 2280 lbf
SA020AR0-RBC	N/A 2.00 in	N/A 2.50 in	N/A 0.25 in	N/A 0.025 in	N/A 1730 lbf	N/A 2280 lbf
KA025AR0-RBC	N/A 2.50 in	N/A 3.00 in	N/A 0.25 in	N/A 0.025 in	N/A 1860 lbf	N/A 2780 lbf
SA025AR0-RBC	N/A 2.50 in	N/A 3.00 in	N/A 0.25 in	N/A 0.025 in	N/A 1860 lbf	N/A 2780 lbf
KB020AR0-RBC	N/A 2.00 in	N/A 2.63 in	N/A 0.3125 in	N/A 0.032 in	N/A 2460 lbf	N/A 3150 lbf
SB020AR0-RBC	N/A 2.00 in	N/A 2.63 in	N/A 0.3125 in	N/A 0.032 in	N/A 2460 lbf	N/A 3150 lbf
KA030AR0-RBC	N/A 3.00 in	N/A 3.50 in	N/A 0.25 in	N/A 0.025 in	N/A 1980 lbf	N/A 3290 lbf
SA030AR0-RBC	N/A 3.00 in	N/A 3.50 in	N/A 0.25 in	N/A 0.025 in	N/A 1980 lbf	N/A 3290 lbf
KA035AR0-RBC	N/A 3.50 in	N/A 4.00 in	N/A 0.25 in	N/A 0.025 in	N/A 2070 lbf	N/A 3790 lbf
SA035AR0-RBC	N/A 3.50 in	N/A 4.00 in	N/A 0.25 in	N/A 0.025 in	N/A 2070 lbf	N/A 3790 lbf
KB025AR0-RBC	N/A 2.50 in	N/A 3.13 in	N/A 0.3125 in	N/A 0.032 in	N/A 2680 lbf	N/A 3860 lbf
SB025AR0-RBC	N/A 2.50 in	N/A 3.13 in	N/A 0.3125 in	N/A 0.032 in	N/A 2680 lbf	N/A 3860 lbf
KA040AR0-RBC	N/A 4.00 in	N/A 4.50 in	N/A 0.25 in	N/A 0.025 in	N/A 2180 lbf	N/A 4300 lbf
SA040AR0-RBC	N/A 4.00 in	N/A 4.50 in	N/A 0.25 in	N/A 0.025 in	N/A 2180 lbf	N/A 4300 lbf
KB030AR0-RBC	N/A 3.00 in	N/A 3.63 in	N/A 0.3125 in	N/A 0.032 in	N/A 2800 lbf	N/A 4470 lbf
SB030AR0-RBC	N/A 3.00 in	N/A 3.63 in	N/A 0.3125 in	N/A 0.032 in	N/A 2800 lbf	N/A 4470 lbf
KA042AR0-RBC	N/A 4.25 in	N/A 4.75 in	N/A 0.25 in	N/A 0.025 in	N/A 2240 lbf	N/A 4550 lbf
KA045AR0-RBC	N/A 4.50 in	N/A 5.00 in	N/A 0.25 in	N/A 0.025 in	N/A 2260 lbf	N/A 4810 lbf
KA047AR0-RBC	N/A 4.75 in	N/A 5.25 in	N/A 0.25 in	N/A 0.025 in	N/A 2310 lbf	N/A 5060 lbf
KB035AR0-RBC	N/A 3.50 in	N/A 4.13 in	N/A 0.3125 in	N/A 0.032 in	N/A 2970 lbf	N/A 5180 lbf

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No Preference
1.00
1.50
1.75
2.00
2.50
3.00
3.50
4.00
4.25
4.50
4.75
5.00
5.50
6.00
6.50
7.00
7.50
8.00
9.00
10.00
11.00
12.00
14.00
16.00
18.00
20.00
25.00
30.00
35.00
40.00

No Preference
1.38
1.88
2.13
2.50
2.63
3.00
3.13
3.50
3.63
4.00
4.13
4.50
4.63
4.75
4.88
5.00
5.13
5.25
5.50
5.63
5.75
6.00
6.13
6.25
6.50
6.63
6.75
7.00
7.13
7.25
7.50
7.63
7.75
8.00
8.25
8.50
8.63
8.75
9.00
9.50
9.63
9.75
10.00
10.50
10.75
11.00
11.50
11.75
12.00
12.50
12.75
13.00
13.50
14.00
15.00
15.50
16.00
17.00
17.50
18.00
19.00
20.00
21.00
22.00
27.00
32.00
37.00
42.00

Bore (B) (in)

Outside Diameter (D) (in)

Outside Ring Width (W) (in)

Housing Fillet (in)

Item #

Bore (B)

Outside Diameter (D)

Outside Ring Width (W)

Housing Fillet

Dynamic Radial

Static Radial