Inch Size Thin Section Open Bearings range in bore diameters from 1.000 inch to 40.000 inches. The seven series in the product line range from .187 x .187 inch to 1.000 x 1.000 inch in cross section. Open bearings are available from stock in three configurations: angular contact bearings (Type A), Conrad assembled deep groove radial ball bearings (Type C), and four-point contact radial bearings (Type X).
| Series KAA |
Series KA |
Series KB |
Series KC |
Series KD |
Series KF |
Series KG |
| 3/16″ x 3/16″ |
1/4″ x 1/4″ |
5/16″ x 5/16″ |
3/8″ x 3/8″ |
1/2″ x 1/2″ |
3/4″ x 3/4″ |
1″ x 1″ |
| A—angular |
A—angular |
A—angular |
A—angular |
A—angular |
A—angular |
A—angular |
| C—radial |
C—radial |
C—radial |
C—radial |
C—radial |
C—radial |
C—radial |
| X—four point |
X—four point |
X—four point |
X—four point |
X—four point |
X—four point |
X—four point |
| KAA Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KAA10CL0 |
1.000″ |
1.375″ |
0.1875″ |
188 |
290 |
0.026 |
| KAA15CL0 |
1.500″ |
1.875″ |
0.1875″ |
225 |
400 |
0.039 |
| KAA17CL0 |
1.750″ |
2.125″ |
0.1875″ |
242 |
460 |
0.045 |
| KA Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KA020CP0 |
2.000″ |
2.500″ |
0.2500″ |
393 |
680 |
0.1 |
| KA025CP0 |
2.500″ |
3.000″ |
0.2500″ |
442 |
830 |
0.13 |
| KA030CP0 |
3.000″ |
3.500″ |
0.2500″ |
487 |
990 |
0.15 |
| KA035CP0 |
3.500″ |
4.000″ |
0.2500″ |
530 |
1140 |
0.18 |
| KA040CP0 |
4.000″ |
4.500″ |
0.2500″ |
571 |
1290 |
0.19 |
| KA040CP0 |
4.000″ |
4.500″ |
0.2500″ |
756 |
1290 |
1,205 |
| KA042CP0 |
4.250″ |
4.750″ |
0.2500″ |
591 |
1370 |
0.2 |
| KA045CP0 |
4.500″ |
5.000″ |
0.2500″ |
610 |
1440 |
0.22 |
| KA047CP0 |
4.750″ |
5.250″ |
0.2500″ |
629 |
1520 |
0.23 |
| KA050CP0 |
5.000″ |
5.500″ |
0.2500″ |
648 |
1590 |
0.24 |
| KA055CP0 |
5.500″ |
6.000″ |
0.2500″ |
685 |
1750 |
0.25 |
| KA060CP0 |
6.000″ |
6.500″ |
0.2500″ |
720 |
1900 |
0.28 |
| KA065CP0 |
6.500″ |
7.000″ |
0.2500″ |
754 |
2050 |
0.3 |
| KA070CP0 |
7.000″ |
7.500″ |
0.2500″ |
787 |
2200 |
0.31 |
| KA075CP0 |
7.500″ |
8.000″ |
0.2500″ |
820 |
2350 |
0.34 |
| KA080CP0 |
8.000″ |
8.500″ |
0.2500″ |
851 |
2500 |
0.38 |
| KA090CP0 |
9.000″ |
9.500″ |
0.2500″ |
912 |
2810 |
0.44 |
| KA100CP0 |
10.000″ |
10.500″ |
0.2500″ |
969 |
3110 |
0.5 |
| KA110CP0 |
11.000″ |
11.500″ |
0.2500″ |
1025 |
3410 |
0.52 |
| KA120CP0 |
12.000″ |
12.500″ |
0.2500″ |
1078 |
3720 |
0.56 |
| KB Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KB020CP0 |
2.000″ |
2.625″ |
0.3125″ |
577 |
930 |
0.16 |
| KB025CP0 |
2.500″ |
3.125″ |
0.3125″ |
644 |
1140 |
0.2 |
| KB030CP0 |
3.000″ |
3.625″ |
0.3125″ |
707 |
1340 |
0.24 |
| KB040CP0 |
4.000″ |
4.625″ |
0.3125″ |
825 |
1750 |
0.3 |
| KB042CP0 |
4.250″ |
4.875″ |
0.3125″ |
846 |
1830 |
0.31 |
| KB045CP0 |
4.500″ |
5.125″ |
0.3125″ |
880 |
1950 |
0.33 |
| KB047CP0 |
4.750″ |
5.375″ |
0.3125″ |
901 |
2030 |
0.34 |
| KB050CP0 |
5.000″ |
5.625″ |
0.3125″ |
933 |
2150 |
0.38 |
| KB055CP0 |
5.500″ |
6.125″ |
0.3125″ |
984 |
2360 |
0.41 |
| KB060CP0 |
6.000″ |
6.625″ |
0.3125″ |
1034 |
2560 |
0.44 |
| KB065CP0 |
6.500″ |
7.125″ |
0.3125″ |
1082 |
2760 |
0.47 |
| KB070CP0 |
7.000″ |
7.625″ |
0.3125″ |
1129 |
2970 |
0.5 |
| KB075CP0 |
7.500″ |
8.125″ |
0.3125″ |
1175 |
3170 |
0.53 |
| KB080CP0 |
8.000″ |
8.625″ |
0.3125″ |
1219 |
3370 |
0.57 |
| KB090CP0 |
9.000″ |
9.625″ |
0.3125″ |
1304 |
3780 |
0.66 |
| KB100CP0 |
10.000″ |
10.625″ |
0.3125″ |
1386 |
4190 |
0.73 |
| KB110CP0 |
11.000″ |
11.625″ |
0.3125″ |
1464 |
4590 |
0.75 |
| KB120CP0 |
12.000″ |
12.625″ |
0.3125″ |
1539 |
5000 |
0.83 |
| KB140CP0 |
14.000″ |
14.625″ |
0.3125″ |
1680 |
5810 |
1.05 |
| KB160CP0 |
16.000″ |
16.625″ |
0.3125″ |
1812 |
6620 |
1.2 |
| KB180CP0 |
18.000″ |
18.625″ |
0.3125″ |
1936 |
7440 |
1.35 |
| KB200CP0 |
20.000″ |
20.625″ |
0.3125″ |
2053 |
8250 |
1.5 |
| KB035CP0 |
3.500″ |
4.125″ |
0.3125″ |
767 |
1540 |
0.27 |
| KC Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KC040CP0 |
4.000″ |
4.750″ |
0.3750″ |
1073 |
2100 |
0.45 |
| KC042CP0 |
4.250″ |
5.000″ |
0.3750″ |
1108 |
2220 |
0.47 |
| KC045CP0 |
4.500″ |
5.250″ |
0.3750″ |
1143 |
2340 |
0.48 |
| KC047CP0 |
4.750″ |
5.500″ |
0.3750″ |
1176 |
2460 |
0.5 |
| KC050CP0 |
5.000″ |
5.750″ |
0.3750″ |
1209 |
2590 |
0.58 |
| KC055CP0 |
5.500″ |
6.250″ |
0.3750″ |
1274 |
2830 |
0.59 |
| KC060CP0 |
6.000″ |
6.750″ |
0.3750″ |
1337 |
3070 |
0.63 |
| KC065CP0 |
6.500″ |
7.250″ |
0.3750″ |
1397 |
3310 |
0.68 |
| KC070CP0 |
7.000″ |
7.750″ |
0.3750″ |
1457 |
3550 |
0.73 |
| KC075CP0 |
7.500″ |
8.250″ |
0.3750″ |
1514 |
3790 |
0.78 |
| KC080CP0 |
8.000″ |
8.750″ |
0.3750″ |
1570 |
4030 |
0.84 |
| KC090CP0 |
9.000″ |
9.750″ |
0.3750″ |
1678 |
4510 |
0.94 |
| KC100CP0 |
10.000″ |
10.750″ |
0.3750″ |
1781 |
4990 |
1.06 |
| KC110CP0 |
11.000″ |
11.750″ |
0.3750″ |
1879 |
5470 |
1.16 |
| KC120CP0 |
12.000″ |
12.750″ |
0.3750″ |
1974 |
5950 |
1.25 |
| KC140CP0 |
14.000″ |
14.750″ |
0.3750″ |
2154 |
6910 |
1.52 |
| KC160CP0 |
16.000″ |
16.750″ |
0.3750″ |
2321 |
7880 |
1.73 |
| KC180CP0 |
18.000″ |
18.750″ |
0.3750″ |
2478 |
8840 |
1.94 |
| KC200CP0 |
20.000″ |
20.750″ |
0.3750″ |
2626 |
9800 |
2.16 |
| KC250CP0 |
25.000″ |
25.750″ |
0.3750″ |
2962 |
12200 |
2.69 |
| KC300CP0 |
30.000″ |
30.750″ |
0.3750″ |
3260 |
14610 |
3.21 |
| KD Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KD040CP0 |
4.000″ |
5.000″ |
0.5000″ |
1755 |
3080 |
0.78 |
| KD042CP0 |
4.250″ |
5.250″ |
0.5000″ |
1787 |
3190 |
0.83 |
| KD045CP0 |
4.500″ |
5.500″ |
0.5000″ |
1861 |
3420 |
0.88 |
| KD047CP0 |
4.750″ |
5.750″ |
0.5000″ |
1892 |
3530 |
0.94 |
| KD050CP0 |
5.000″ |
6.000″ |
0.5000″ |
1964 |
3790 |
1 |
| KD055CP0 |
5.500″ |
6.500″ |
0.5000″ |
2064 |
4100 |
1.06 |
| KD060CP0 |
6.000″ |
7.000″ |
0.5000″ |
2160 |
4450 |
1.16 |
| KD065CP0 |
6.500″ |
7.500″ |
0.5000″ |
2254 |
4790 |
1.22 |
| KD070CP0 |
7.000″ |
8.000″ |
0.5000″ |
2345 |
5130 |
1.31 |
| KD075CP0 |
7.500″ |
8.500″ |
0.5000″ |
2434 |
5470 |
1.41 |
| KD080CP0 |
8.000″ |
9.000″ |
0.5000″ |
2520 |
5810 |
1.53 |
| KD090CP0 |
9.000″ |
10.000″ |
0.5000″ |
2688 |
6500 |
1.72 |
| KD100CP0 |
10.000″ |
11.000″ |
0.5000″ |
2847 |
7180 |
1.88 |
| KD110CP0 |
11.000″ |
12.000″ |
0.5000″ |
2847 |
7180 |
2.06 |
| KD120CP0 |
12.000″ |
13.000″ |
0.5000″ |
3148 |
8550 |
2.25 |
| KD140CP0 |
14.000″ |
15.000″ |
0.5000″ |
3427 |
9920 |
2.73 |
| KD160CP0 |
16.000″ |
17.000″ |
0.5000″ |
3688 |
11290 |
3.1 |
| KD180CP0 |
18.000″ |
19.000″ |
0.5000″ |
3933 |
12650 |
3.48 |
| KD180XP0 |
18.000″ |
19.000″ |
0.5000″ |
5226 |
12650 |
36,268 |
| KD200CP0 |
20.000″ |
21.000″ |
0.5000″ |
4164 |
14020 |
3.85 |
| KD250CP0 |
25.000″ |
26.000″ |
0.5000″ |
4689 |
17440 |
4.79 |
| KD300CP0 |
30.000″ |
31.000″ |
0.5000″ |
5153 |
20860 |
5.73 |
| KD210CP0 |
21.000″ |
22.000″ |
0.5000″ |
4274 |
14706 |
4.04 |
| KF Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KF040CP0 |
4.000″ |
5.500″ |
0.7500″ |
3559 |
5360 |
1.9 |
| KF042CP0 |
4.250″ |
5.750″ |
0.7500″ |
3655 |
5640 |
2 |
| KF045CP0 |
4.500″ |
6.000″ |
0.7500″ |
3750 |
5930 |
2.1 |
| KF047CP0 |
4.750″ |
6.250″ |
0.7500″ |
3843 |
6210 |
2.2 |
| KF050CP0 |
5.000″ |
6.500″ |
0.7500″ |
3936 |
6490 |
2.3 |
| KF055CP0 |
5.500″ |
7.000″ |
0.7500″ |
4116 |
7050 |
2.5 |
| KF060CP0 |
6.000″ |
7.500″ |
0.7500″ |
4291 |
7620 |
2.7 |
| KF065CP0 |
6.500″ |
8.000″ |
0.7500″ |
4461 |
8180 |
2.9 |
| KF070CP0 |
7.000″ |
8.500″ |
0.7500″ |
4628 |
8750 |
3.2 |
| KF075CP0 |
7.500″ |
9.000″ |
0.7500″ |
4791 |
9310 |
3.4 |
| KF080CP0 |
8.000″ |
9.500″ |
0.7500″ |
4949 |
9880 |
3.5 |
| KF090CP0 |
9.000″ |
10.500″ |
0.7500″ |
5256 |
11000 |
3.9 |
| KF100CP0 |
10.000″ |
11.500″ |
0.7500″ |
5550 |
12130 |
4.3 |
| KF110CP0 |
11.000″ |
12.500″ |
0.7500″ |
5833 |
13260 |
4.8 |
| KF120CP0 |
12.000″ |
13.500″ |
0.7500″ |
6105 |
14390 |
5.2 |
| KF140CP0 |
14.000″ |
15.500″ |
0.7500″ |
6620 |
16650 |
6 |
| KF160CP0 |
16.000″ |
17.500″ |
0.7500″ |
7104 |
18900 |
7.1 |
| KF180CP0 |
18.000″ |
19.500″ |
0.7500″ |
7557 |
21160 |
7.9 |
| KF200CP0 |
20.000″ |
21.500″ |
0.7500″ |
7986 |
23420 |
8.9 |
| KF250CP0 |
25.000″ |
26.500″ |
0.7500″ |
8963 |
29060 |
10.9 |
| KF300CP0 |
30.000″ |
31.500″ |
0.7500″ |
9828 |
34700 |
13 |
| KF350CP0 |
35.000″ |
36.500″ |
0.7500″ |
10603 |
40350 |
15.1 |
| KF400CP0 |
40.000″ |
41.500″ |
0.7500″ |
11302 |
45990 |
17.2 |
| KG Series Type C Thin Section Bearings |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| Product Number |
Bore Dia (d) |
Outer Dia (D) |
Width (B) |
Dynamic (lbs) |
Static (lbs) |
Weight (lbs) |
| KG040CP0 |
4.000″ |
6.000″ |
1″ |
6115 |
8210 |
3.6 |
| KG042CP0 |
4.250″ |
6.250″ |
1″ |
6061 |
8210 |
3.8 |
| KG045CP0 |
4.500″ |
6.500″ |
1″ |
6227 |
8760 |
4 |
| KG047CP0 |
4.750″ |
6.750″ |
1″ |
6487 |
9300 |
4.1 |
| KG050CP0 |
5.000″ |
7.000″ |
1″ |
6691 |
9850 |
4.3 |
| KG055CP0 |
5.500″ |
7.500″ |
1″ |
6850 |
10400 |
4.7 |
| KG060CP0 |
6.000″ |
8.000″ |
1″ |
7241 |
11490 |
5.1 |
| KG065CP0 |
6.500″ |
8.500″ |
1″ |
7393 |
12040 |
5.4 |
| KG070CP0 |
7.000″ |
9.000″ |
1″ |
7764 |
13130 |
5.8 |
| KG075CP0 |
7.500″ |
9.500″ |
1″ |
7911 |
13680 |
6.1 |
| KG080CP0 |
8.000″ |
10.000″ |
1″ |
8265 |
14770 |
6.5 |
| KG090CP0 |
9.000″ |
11.000″ |
1″ |
8743 |
16420 |
7.2 |
| KG100CP0 |
10.000″ |
12.000″ |
1″ |
9204 |
18060 |
7.9 |
| KG110CP0 |
11.000″ |
13.000″ |
1″ |
9648 |
19700 |
8.6 |
| KG120CP0 |
12.000″ |
14.000″ |
1″ |
10074 |
21340 |
9.3 |
| KG140CP0 |
14.000″ |
16.000″ |
1″ |
10886 |
24620 |
10.8 |
| KG160CP0 |
16.000″ |
18.000″ |
1″ |
11648 |
27910 |
12.3 |
| KG180CP0 |
18.000″ |
20.000″ |
1″ |
12367 |
31190 |
13.7 |
| KG200CP0 |
20.000″ |
22.000″ |
1″ |
13044 |
34470 |
15.8 |
| KG250CP0 |
25.000″ |
27.000″ |
1″ |
14591 |
42680 |
19.5 |
| KG300CP0 |
30.000″ |
32.000″ |
1″ |
15963 |
50890 |
23.3 |
| KG350CP0 |
35.000″ |
37.000″ |
1″ |
17195 |
59100 |
27.1 |
| KG220CP0 |
22.000″ |
24.000″ |
1″ |
13685 |
37757 |
16.8 |
| KG400CP0 |
40.000″ |
42.000″ |
1″ |
18307 |
67310 |
30.8 |
