1/4" Constant Section Bearings

164 products

1/4" Constant Section Bearings

The 1/4 Inch Constant Section Bearings are among the most versatile imperial thin-section solutions providing a perfect balance between structural rigidity and space efficiency. With a consistent one-quarter inch cross-sectional width these bearings allow designers to increase shaft diameters without a corresponding increase in housing size. Manufactured to rigorous precision standards from premium chrome steel they are widely utilized in rotary tables semiconductor manufacturing equipment and industrial automation where consistent performance and compact footprints are essential.

Thin section bearings type
Endura-kote Plated Reali-Slim Open Reali-Slim Sealed
Bore diameter
1" 1.5" 1.75" 2" 2.5" 2.75" 3" 3.5" 4" 4.25" 4.5" 4.75" 5" 5.5" 6" 6.5" 7" 7.5" 8" 9" 10" 11" 12"
Outside diameter
1.375" 1.875" 2.125" 2.5" 3" 3.25" 3.5" 4" 4.5" 4.75" 5" 5.25" 5.5" 6" 6.5" 7" 7.5" 8" 8.5" 9.5" 10.5" 11.5" 12.5"
For load direction
Angular Contact Four Point Contact Radial
Seal type
Open Sealed
Cage material
Brass Nylon
Shoulder diameter inner ring
1.108" 1.608" 1.858" 2.148" 2.186" 2.648" 2.686" 2.936" 3.148" 3.186" 3.648" 3.686" 4.148" 4.186" 4.398" 4.436" 4.648" 4.686" 4.898" 4.936" 5.148" 5.186" 5.648" 5.686" 6.148" 6.186" 6.648" 6.686" 7.148" 7.186" 7.648" 7.686" 8.186" 9.186" 10.186" 11.186" 12.186"
Radial dynamic load rating
188 lbf 225 lbf 242 lbf 247 lbf 296 lbf 319 lbf 393 lbf 405 lbf 442 lbf 450 lbf 459 lbf 487 lbf 507 lbf 514 lbf 530 lbf 552 lbf 571 lbf 583 lbf 591 lbf 595 lbf 610 lbf 614 lbf 616 lbf 629 lbf 637 lbf 643 lbf 648 lbf 657 lbf 676 lbf 685 lbf 701 lbf 715 lbf 720 lbf 752 lbf 754 lbf 756 lbf 783 lbf 787 lbf 788 lbf 809 lbf 820 lbf 823 lbf 834 lbf 851 lbf 857 lbf 859 lbf 890 lbf 908 lbf 912 lbf 954 lbf 955 lbf 969 lbf 1001 lbf 1014 lbf 1025 lbf 1046 lbf 1072 lbf 1078 lbf 1089 lbf 1128 lbf 1131 lbf 1212 lbf 1289 lbf 1362 lbf 1433 lbf
Radial static load rating
290 lbf 400 lbf 460 lbf 680 lbf 790 lbf 830 lbf 910 lbf 960 lbf 990 lbf 1140 lbf 1290 lbf 1310 lbf 1370 lbf 1440 lbf 1490 lbf 1520 lbf 1580 lbf 1590 lbf 1660 lbf 1750 lbf 1840 lbf 1900 lbf 2020 lbf 2050 lbf 2190 lbf 2200 lbf 2350 lbf 2370 lbf 2500 lbf 2540 lbf 2720 lbf 2810 lbf 2890 lbf 3110 lbf 3240 lbf 3410 lbf 3590 lbf 3720 lbf 3940 lbf 4290 lbf
Axial dynamic load rating
370 lbf 460 lbf 500 lbf 790 lbf 910 lbf 960 lbf 1010 lbf 1110 lbf 1210 lbf 1260 lbf 1310 lbf 1350 lbf 1400 lbf 1480 lbf 1570 lbf 1650 lbf 1730 lbf 1810 lbf 1890 lbf 2040 lbf 2180 lbf 2320 lbf 2450 lbf
Axial static load rating
730 lbf 960 lbf 1000 lbf 1100 lbf 1140 lbf 1230 lbf 1350 lbf 1470 lbf 1530 lbf 1580 lbf 1640 lbf 1690 lbf 1710 lbf 1800 lbf 1900 lbf 2000 lbf 2090 lbf 2100 lbf 2190 lbf 2275 lbf 2280 lbf 2470 lbf 2640 lbf 2810 lbf 2850 lbf 2970 lbf 3220 lbf 3410 lbf 3600 lbf 3790 lbf 3980 lbf 4360 lbf 4740 lbf 5120 lbf 5500 lbf 5880 lbf 6260 lbf 7020 lbf 7780 lbf 8540 lbf 9300 lbf
Part Number Bore diameter Outside diameter Width For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating
JHA10XL0 1" 1.375" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 247 lbf 290 lbf
JHA10CL0 1" 1.375" 0.25" Radial Sealed Chrome Steel Chrome Steel 188 lbf 290 lbf
JHA15XL0 1.5" 1.875" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 296 lbf 400 lbf
JHA15CL0 1.5" 1.875" 0.25" Radial Sealed Chrome Steel Chrome Steel 225 lbf 400 lbf
JHA17XL0 1.75" 2.125" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 319 lbf 460 lbf
JHA17CL0 1.75" 2.125" 0.25" Radial Sealed Chrome Steel Chrome Steel 242 lbf 460 lbf
NA020AR0 2" 2.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 405 lbf 790 lbf
KA020AR0 2" 2.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 450 lbf 790 lbf
KA020BR0K 2" 2.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 450 lbf 790 lbf
KA020XP0 2" 2.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 514 lbf 680 lbf
KA020XP4K 2" 2.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 514 lbf 680 lbf
NA020XP0 2" 2.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 514 lbf 680 lbf
JA020XP0 2" 2.5" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 514 lbf 680 lbf
KA020CP0 2" 2.5" 0.25" Radial Open Chrome Steel Chrome Steel 393 lbf 680 lbf
KA020CP6 2" 2.5" 0.25" Radial Open Chrome Steel Chrome Steel 393 lbf 680 lbf
NA020CP0 2" 2.5" 0.25" Radial Open Chrome Steel Chrome Steel 393 lbf 680 lbf
JA020CP0 2" 2.5" 0.25" Radial Sealed Chrome Steel Chrome Steel 393 lbf 680 lbf
KA025AR0 2.5" 3" 0.25" Angular Contact Open Chrome Steel Chrome Steel 459 lbf 960 lbf
NA025AR0 2.5" 3" 0.25" Angular Contact Open Chrome Steel Chrome Steel 459 lbf 960 lbf
KA025XP0 2.5" 3" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 583 lbf 830 lbf
NA025XP0 2.5" 3" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 583 lbf 830 lbf
JA025XP0 2.5" 3" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 583 lbf 830 lbf
KA025CP0 2.5" 3" 0.25" Radial Open Chrome Steel Chrome Steel 442 lbf 830 lbf
NA025CP0 2.5" 3" 0.25" Radial Open Chrome Steel Chrome Steel 442 lbf 830 lbf
JA025CP0 2.5" 3" 0.25" Radial Sealed Chrome Steel Chrome Steel 442 lbf 830 lbf
KA027XP0 2.75" 3.25" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 614 lbf 910 lbf
KA030AR0 3" 3.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 507 lbf 1140 lbf
NA030AR0 3" 3.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 507 lbf 1140 lbf
NA030ARO 3" 3.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 507 lbf 1140 lbf
KA030XP0 3" 3.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 643 lbf 990 lbf
NA030XP0 3" 3.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 643 lbf 990 lbf
JA030XP0 3" 3.5" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 643 lbf 990 lbf
KA030CP0 3" 3.5" 0.25" Radial Open Chrome Steel Chrome Steel 487 lbf 990 lbf
KA030CP4 3" 3.5" 0.25" Radial Open Chrome Steel Chrome Steel 487 lbf 990 lbf
NA030CP0 3" 3.5" 0.25" Radial Open Chrome Steel Chrome Steel 487 lbf 990 lbf
JA030CP0 3" 3.5" 0.25" Radial Sealed Chrome Steel Chrome Steel 487 lbf 990 lbf
KA035AR0 3.5" 4" 0.25" Angular Contact Open Chrome Steel Chrome Steel 552 lbf 1310 lbf
NA035AR0 3.5" 4" 0.25" Angular Contact Open Chrome Steel Chrome Steel 552 lbf 1310 lbf
KA035XP0 3.5" 4" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 701 lbf 1140 lbf
NA035XP0 3.5" 4" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 701 lbf 1140 lbf
JA035XP0 3.5" 4" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 701 lbf 1140 lbf
JA035XPOK 3.5" 4" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 701 lbf 1140 lbf
KA035CP0 3.5" 4" 0.25" Radial Open Chrome Steel Chrome Steel 530 lbf 1140 lbf
NA035CP0 3.5" 4" 0.25" Radial Open Chrome Steel Chrome Steel 530 lbf 1140 lbf
JA035CP0 3.5" 4" 0.25" Radial Sealed Chrome Steel Chrome Steel 530 lbf 1140 lbf
KA040AR0 4" 4.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 595 lbf 1490 lbf
NA040AR0 4" 4.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 595 lbf 1490 lbf
KA040XP0 4" 4.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 756 lbf 1290 lbf
KA040XP1 4" 4.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 756 lbf 1290 lbf
NA040XP0 4" 4.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 756 lbf 1290 lbf
JA040XP0 4" 4.5" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 756 lbf 1290 lbf
NA040CP0 4" 4.5" 0.25" Radial Open Chrome Steel Chrome Steel 571 lbf 1290 lbf
KA040CP0 4" 4.5" 0.25" Radial Open Chrome Steel Chrome Steel 756 lbf 1290 lbf
JA040CP0 4" 4.5" 0.25" Radial Sealed Chrome Steel Chrome Steel 571 lbf 1290 lbf
KA042AR0 4.25" 4.75" 0.25" Angular Contact Open Chrome Steel Chrome Steel 616 lbf 1580 lbf
NA042AR0 4.25" 4.75" 0.25" Angular Contact Open Chrome Steel Chrome Steel 616 lbf 1580 lbf
KA042XP0 4.25" 4.75" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 783 lbf 1370 lbf
NA042XP0 4.25" 4.75" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 783 lbf 1370 lbf
JA042XP0 4.25" 4.75" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 783 lbf 1370 lbf
NA042CP0 4.25" 4.75" 0.25" Radial Open Chrome Steel Chrome Steel 591 lbf 1370 lbf
KA042CP0 4.25" 4.75" 0.25" Radial Open Chrome Steel Chrome Steel 591 lbf -
JA042CP0 4.25" 4.75" 0.25" Radial Sealed Chrome Steel Chrome Steel 591 lbf 1370 lbf
KA045AR0 4.5" 5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 637 lbf 1660 lbf
NA045AR0 4.5" 5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 637 lbf 1660 lbf
NA045ARO 4.5" 5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 637 lbf 1660 lbf
KA045XP0 4.5" 5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 809 lbf 1440 lbf
NA045XP0 4.5" 5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 809 lbf 1440 lbf
JA045XP0 4.5" 5" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 809 lbf 1440 lbf
KA045CP0 4.5" 5" 0.25" Radial Open Chrome Steel Chrome Steel 610 lbf 1440 lbf
NA045CP0 4.5" 5" 0.25" Radial Open Chrome Steel Chrome Steel 610 lbf 1440 lbf
JA045CP0 4.5" 5" 0.25" Radial Sealed Chrome Steel Chrome Steel 610 lbf 1440 lbf
KA047AR0 4.75" 5.25" 0.25" Angular Contact Open Chrome Steel Chrome Steel 657 lbf 1750 lbf
NA047AR0 4.75" 5.25" 0.25" Angular Contact Open Chrome Steel Chrome Steel 657 lbf 1750 lbf
KA047XP0 4.75" 5.25" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 834 lbf 1520 lbf
KA047XP0K 4.75" 5.25" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 834 lbf 1520 lbf
KA047XP3 4.75" 5.25" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 834 lbf 1520 lbf
NA047XP0 4.75" 5.25" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 834 lbf 1520 lbf
JA047XP0 4.75" 5.25" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 834 lbf 1520 lbf
KA047CP0 4.75" 5.25" 0.25" Radial Open Chrome Steel Chrome Steel 629 lbf 1520 lbf
KA047CPO 4.75" 5.25" 0.25" Radial Open Chrome Steel Chrome Steel 629 lbf 1520 lbf
NA047CP0 4.75" 5.25" 0.25" Radial Open Chrome Steel Chrome Steel 629 lbf 1520 lbf
JA047CP0 4.75" 5.25" 0.25" Radial Sealed Chrome Steel Chrome Steel 629 lbf 1520 lbf
KA050AR0 5" 5.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 676 lbf 1840 lbf
NA050AR0 5" 5.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 676 lbf 1840 lbf
KA050XP0 5" 5.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 859 lbf 1590 lbf
NA050XP0 5" 5.5" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 859 lbf 1590 lbf
JA050XP0 5" 5.5" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 859 lbf 1590 lbf
KA050CP0 5" 5.5" 0.25" Radial Open Chrome Steel Chrome Steel 648 lbf 1590 lbf
NA050CP0 5" 5.5" 0.25" Radial Open Chrome Steel Chrome Steel 648 lbf 1590 lbf
JA050CP0 5" 5.5" 0.25" Radial Sealed Chrome Steel Chrome Steel 648 lbf 1590 lbf
KA055AR0 5.5" 6" 0.25" Angular Contact Open Chrome Steel Chrome Steel 715 lbf 2020 lbf
KA055BR0K 5.5" 6" 0.25" Angular Contact Open Chrome Steel Chrome Steel 715 lbf 2020 lbf
NA055AR0 5.5" 6" 0.25" Angular Contact Open Chrome Steel Chrome Steel 715 lbf 2020 lbf
KA055XP0 5.5" 6" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 908 lbf 1750 lbf
NA055XP0 5.5" 6" 0.25" Four Point Contact Open Chrome Steel Chrome Steel 908 lbf 1750 lbf
JA055XP0 5.5" 6" 0.25" Four Point Contact Sealed Chrome Steel Chrome Steel 908 lbf 1750 lbf
KA055CP0 5.5" 6" 0.25" Radial Open Chrome Steel Chrome Steel 685 lbf 1750 lbf
NA055CP0 5.5" 6" 0.25" Radial Open Chrome Steel Chrome Steel 685 lbf 1750 lbf
JA055CP0 5.5" 6" 0.25" Radial Sealed Chrome Steel Chrome Steel 685 lbf 1750 lbf
KA060AR0 6" 6.5" 0.25" Angular Contact Open Chrome Steel Chrome Steel 752 lbf 2190 lbf
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