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Precision ground 1600 Series® bearings are specially designed to provide a line of low cost yet high quality bearings for adaptation to a majority of precision bearing applications. They are made in easy to use inch dimensions and are recommended for medium loads and for maximum speeds in the range of 5000 rpm. The 1600 Series® bearings are precision ground on all surfaces with exceptional care given to the ball grooves. Careful heat treatment provides a uniform and exact degree of hardness for maximum life. A ball retainer, or separator, is used to increase the range of allowable speeds by reducing ball-to-ball contact friction. The 1600 Series® radial bearings are available open, single or doubled shielded, or single or double sealed. Double sealed and double shielded bearings are supplied grease packed as standard. Open and single closure bearings can be supplied greased on request.
1600 series
Unit of Measure
1 2 3 4 5 

Item #

Type

Bore (d)

Outside Diameter (D)

Width (B)

Dynamic Load Rating (C)

Static Load Rating (Co)

1620SCTNBF18 N/A Single Seal N/A 0.44 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
1621SCTNBF18 N/A Single Seal N/A 0.50 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
1623SCTNBF18 N/A Single Seal N/A 0.63 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
1628SCTNBF18 N/A Single Seal N/A 0.63 in N/A 1.63 in N/A 0.5000 in N/A 2595 lbf N/A 1010 lbf
1630SCTNBF18 N/A Single Seal N/A 0.75 in N/A 1.63 in N/A 0.5000 in N/A 2595 lbf N/A 1010 lbf
1633SCTNBF18 N/A Single Seal N/A 0.63 in N/A 1.75 in N/A 0.5000 in N/A 2593 lbf N/A 1025 lbf
1635SCTNBF18 N/A Single Seal N/A 0.75 in N/A 1.75 in N/A 0.5000 in N/A 2593 lbf N/A 1025 lbf
1638SCTNBF18 N/A Single Seal N/A 0.75 in N/A 2.00 in N/A 0.5625 in N/A 2967 lbf N/A 1350 lbf
1640SCTNBF18 N/A Single Seal N/A 0.88 in N/A 2.00 in N/A 0.5625 in N/A 2967 lbf N/A 1350 lbf
1641SCTNBF18 N/A Single Seal N/A 1.00 in N/A 2.00 in N/A 0.5625 in N/A 2967 lbf N/A 1350 lbf
1652SCTNBF18 N/A Single Seal N/A 1.13 in N/A 2.50 in N/A 0.6250 in N/A 3864 lbf N/A 2120 lbf
1654SCTNBF18 N/A Single Seal N/A 1.25 in N/A 2.50 in N/A 0.6250 in N/A 3864 lbf N/A 2120 lbf
1657SCTNBF18 N/A Single Seal N/A 1.25 in N/A 2.56 in N/A 0.6875 in N/A 5360 lbf N/A 2620 lbf
1602SSTNBF18 N/A Single Shield N/A 0.25 in N/A 0.69 in N/A 0.2500 in N/A 511 lbf N/A 170 lbf
1603SSTNBF18 N/A Single Shield N/A 0.31 in N/A 0.88 in N/A 0.3438 in N/A 644 lbf N/A 255 lbf
1604SSTNBF18 N/A Single Shield N/A 0.38 in N/A 0.88 in N/A 0.2813 in N/A 644 lbf N/A 255 lbf
1605SSTNBF18 N/A Single Shield N/A 0.31 in N/A 0.91 in N/A 0.3125 in N/A 698 lbf N/A 300 lbf
1606SSTNBF18 N/A Single Shield N/A 0.38 in N/A 0.91 in N/A 0.3125 in N/A 698 lbf N/A 300 lbf
1607SSTNBF18 N/A Single Shield N/A 0.44 in N/A 0.91 in N/A 0.3125 in N/A 698 lbf N/A 300 lbf
1614SSTNBF18 N/A Single Shield N/A 0.38 in N/A 1.13 in N/A 0.3750 in N/A 1200 lbf N/A 475 lbf
1615SSTNTG18 N/A Single Shield N/A 0.44 in N/A 1.13 in N/A 0.3750 in N/A 1200 lbf N/A 475 lbf
1616SSTNBF18 N/A Single Shield N/A 0.50 in N/A 1.13 in N/A 0.3750 in N/A 1200 lbf N/A 475 lbf
1620SSTNBF18 N/A Single Shield N/A 0.44 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
1621SSTNBF18 N/A Single Shield N/A 0.50 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
1623SSTNBF18 N/A Single Shield N/A 0.63 in N/A 1.38 in N/A 0.4375 in N/A 1878 lbf N/A 850 lbf
Unit of Measure
1 2 3 4 5