1/2" Constant Section Bearings

151 products

1/2" Constant Section Bearings

The 1/2 Inch Constant Section Bearings are designed for large-diameter industrial shafts that require high radial stiffness within a compact radial envelope. By maintaining a consistent half-inch cross-sectional width as the bore diameter increases these bearings provide excellent structural support without the excessive bulk of standard series bearings. Manufactured to strict tolerances from high-carbon chrome steel they are commonly used in large radar pedestals heavy-duty rotary tables and specialized aerospace equipment where precision rotation and weight savings are the primary design priorities.

Thin section bearings type
For load direction
Ball material
Cage material
Part Number Bore diameter Outside diameter Width For load direction Seal type Ring material Ball material Radial dynamic load rating Radial static load rating
KD040AR0 4" 5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1819 lbf 3550 lbf
ND040AR0 4" 5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1819 lbf 3550 lbf
KD040XP0 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
KD040XP0M 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
KD040XP3K 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
KD040XPO 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
ND040XP0 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
ND040XP4A 4" 5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2311 lbf 3080 lbf
ND040CP0 4" 5" 0.5" Radial Open Chrome Steel Chrome Steel 1755 lbf 3080 lbf
KD040CP0 4" 5" 0.5" Radial Open Chrome Steel Chrome Steel 1755 lbf -
KD040CP3 4" 5" 0.5" Radial Open Chrome Steel Chrome Steel 1755 lbf -
KD042AR0 4.25" 5.25" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1876 lbf 3750 lbf
ND042AR0 4.25" 5.25" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1876 lbf 3750 lbf
ND042BR3L 4.25" 5.25" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1876 lbf 3750 lbf
KD042XP0 4.25" 5.25" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2355 lbf 3190 lbf
ND042XP0 4.25" 5.25" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2355 lbf 3190 lbf
KD042CP0 4.25" 5.25" 0.5" Radial Open Chrome Steel Chrome Steel 1787 lbf 3190 lbf
ND042CP0 4.25" 5.25" 0.5" Radial Open Chrome Steel Chrome Steel 1787 lbf 3190 lbf
ND045AR0 4.5" 5.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1531 lbf 3950 lbf
KD045AR0 4.5" 5.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1931 lbf 3950 lbf
KD045XP0 4.5" 5.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2454 lbf 3420 lbf
ND045XP0 4.5" 5.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2454 lbf 3420 lbf
KD045CP0 4.5" 5.5" 0.5" Radial Open Chrome Steel Chrome Steel 1861 lbf 3420 lbf
ND045CP0 4.5" 5.5" 0.5" Radial Open Chrome Steel Chrome Steel 1861 lbf 3420 lbf
KD047AR0 4.75" 5.75" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1986 lbf 4150 lbf
ND047AR0 4.75" 5.75" 0.5" Angular Contact Open Chrome Steel Chrome Steel 1986 lbf 4150 lbf
KD047XP0 4.75" 5.75" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2496 lbf 3530 lbf
ND047XP0 4.75" 5.75" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2496 lbf 3530 lbf
KD047CP0 4.75" 5.75" 0.5" Radial Open Chrome Steel Chrome Steel 1892 lbf 3530 lbf
ND047CP0 4.75" 5.75" 0.5" Radial Open Chrome Steel Chrome Steel 1892 lbf 3530 lbf
KD050AR0 5" 6" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2040 lbf 4340 lbf
ND050AR0 5" 6" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2040 lbf 4340 lbf
KD050XP0 5" 6" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2592 lbf 3760 lbf
ND050XP0 5" 6" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2592 lbf 3760 lbf
ND050CP0 5" 6" 0.5" Radial Open Chrome Steel Chrome Steel 1964 lbf 3760 lbf
KD050CP0 5" 6" 0.5" Radial Open Chrome Steel Chrome Steel 1964 lbf 3790 lbf
KD0550AR0 5.5" 6.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2145 lbf 4740 lbf
KD055AR0 5.5" 6.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2145 lbf 4740 lbf
KD055ARO 5.5" 6.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2145 lbf 4740 lbf
ND055AR0 5.5" 6.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2145 lbf 4740 lbf
KD055XP0 5.5" 6.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2725 lbf 4100 lbf
ND055XP0 5.5" 6.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2725 lbf 4100 lbf
ND055CP0 5.5" 6.5" 0.5" Radial Open Chrome Steel Chrome Steel 2063 lbf 4100 lbf
KD055CP0 5.5" 6.5" 0.5" Radial Open Chrome Steel Chrome Steel 2064 lbf 4100 lbf
KD060AR0 6" 7" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2247 lbf 5130 lbf
ND060AR0 6" 7" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2247 lbf 5130 lbf
KD060XP0 6" 7" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2855 lbf 4450 lbf
KD060XPO 6" 7" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2855 lbf 4450 lbf
ND060XP0 6" 7" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2855 lbf 4450 lbf
KD060CV0 6" 7" 0.5" Radial Open Chrome Steel Brass 2160 lbf 4450 lbf
KD060CP0 6" 7" 0.5" Radial Open Chrome Steel Chrome Steel 2160 lbf 4450 lbf
ND060CP0 6" 7" 0.5" Radial Open Chrome Steel Chrome Steel 2160 lbf 4450 lbf
KD065AR0 6.5" 7.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2346 lbf 5530 lbf
ND065AR0 6.5" 7.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2346 lbf 5530 lbf
KD065XV0 6.5" 7.5" 0.5" Four Point Contact Open Chrome Steel Brass 2980 lbf 4790 lbf
KD065XP0 6.5" 7.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2980 lbf 4790 lbf
KD065XPOZ 6.5" 7.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2980 lbf 4790 lbf
ND065XP0 6.5" 7.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 2980 lbf 4790 lbf
KD065CP0 6.5" 7.5" 0.5" Radial Open Chrome Steel Chrome Steel 2254 lbf 4790 lbf
ND065CP0 6.5" 7.5" 0.5" Radial Open Chrome Steel Chrome Steel 2254 lbf 4790 lbf
KD070AR0 7" 8" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2442 lbf 5920 lbf
ND070AR0 7" 8" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2442 lbf 5920 lbf
KD070XP0 7" 8" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3103 lbf 5130 lbf
ND070XP0 7" 8" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3103 lbf 5130 lbf
KD070CP0 7" 8" 0.5" Radial Open Chrome Steel Chrome Steel 2345 lbf 5130 lbf
ND070CP0 7" 8" 0.5" Radial Open Chrome Steel Chrome Steel 2345 lbf 5130 lbf
KD075AR0 7.5" 8.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2536 lbf 6320 lbf
ND075AR0 7.5" 8.5" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2536 lbf 6320 lbf
KD075XP0 7.5" 8.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3222 lbf 5470 lbf
ND075XP0 7.5" 8.5" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3222 lbf 5470 lbf
KD075CP0 7.5" 8.5" 0.5" Radial Open Chrome Steel Chrome Steel 2434 lbf 5470 lbf
ND075CP0 7.5" 8.5" 0.5" Radial Open Chrome Steel Chrome Steel 2434 lbf 5470 lbf
KD080AH0 8" 9" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2627 lbf 6710 lbf
KD080AR0 8" 9" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2627 lbf 6710 lbf
ND080AR0 8" 9" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2627 lbf 6710 lbf
KD080XP0 8" 9" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3338 lbf 5810 lbf
KD080XPO 8" 9" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3338 lbf 5810 lbf
ND080XP0 8" 9" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3338 lbf 5810 lbf
KD080CP0 8" 9" 0.5" Radial Open Chrome Steel Chrome Steel 2520 lbf 5810 lbf
KD080CPO 8" 9" 0.5" Radial Open Chrome Steel Chrome Steel 2520 lbf 5810 lbf
ND080CP0 8" 9" 0.5" Radial Open Chrome Steel Chrome Steel 2520 lbf 5810 lbf
KD090AR0 9" 10" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2803 lbf 7500 lbf
ND090AR0 9" 10" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2803 lbf 7500 lbf
KD090XP0 9" 10" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3561 lbf 6500 lbf
ND090XP0 9" 10" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3561 lbf 6500 lbf
KD090CP0 9" 10" 0.5" Radial Open Chrome Steel Chrome Steel 2688 lbf 6500 lbf
ND090CP0 9" 10" 0.5" Radial Open Chrome Steel Chrome Steel 2688 lbf 6500 lbf
KD100AR0 10" 11" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2972 lbf 8290 lbf
ND100AR0 10" 11" 0.5" Angular Contact Open Chrome Steel Chrome Steel 2972 lbf 8290 lbf
KD100XP0 10" 11" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3776 lbf 7180 lbf
KD100XPO 10" 11" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3776 lbf 7180 lbf
ND100XP0 10" 11" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3776 lbf 7180 lbf
KD100CP0 10" 11" 0.5" Radial Open Chrome Steel Chrome Steel 2847 lbf 7180 lbf
KD100CPO 10" 11" 0.5" Radial Open Chrome Steel Chrome Steel 2847 lbf 7180 lbf
ND100CP0 10" 11" 0.5" Radial Open Chrome Steel Chrome Steel 2847 lbf 7180 lbf
KD110AR0 11" 12" 0.5" Angular Contact Open Chrome Steel Chrome Steel 3133 lbf 9080 lbf
ND110AR0 11" 12" 0.5" Angular Contact Open Chrome Steel Chrome Steel 3133 lbf 9080 lbf
KD110XP0 11" 12" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3981 lbf 7870 lbf
ND110XP0 11" 12" 0.5" Four Point Contact Open Chrome Steel Chrome Steel 3981 lbf 7870 lbf
KD110CP0 11" 12" 0.5" Radial Open Chrome Steel Chrome Steel 2847 lbf 7180 lbf
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