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STRAIGHT ROLLERS<br />
4 in. O.D. x 10 ga. <strong>Roller</strong>s<br />
11/32<br />
<strong>Roller</strong> Part Number<br />
D-End<br />
Retained<br />
Pin<br />
Retained<br />
Tube<br />
Material<br />
Axle<br />
Drive<br />
Options<br />
Bearing Part<br />
Number<br />
N/A 28548 Mild Steel 1-1/8 Hex Gravity 27956<br />
28549 N/A Mild Steel 1-3/16 Dia. Gravity 27957<br />
45112 N/A Mild Steel 1-3/8 Dia. Gravity 45104-GP<br />
45111 N/A Mild Steel 1-7/16 Dia. Gravity 45103-GP<br />
<strong>Roller</strong> Capacity Chart (lbs.)*<br />
Between Frame<br />
(BF) Inches<br />
Bearing Part Number<br />
27956 27957 45104-GP 45103-GP<br />
27956 All Metal Precision<br />
15/32<br />
6 6170 4644 6170 6170<br />
12 6167 4641 6167 6167<br />
18 6164 4638 6164 6164<br />
24 6161 4635 6161 6161<br />
30 5564 4633 5661 5661<br />
36 4613 4630 4680 4680<br />
42 3938 3962 3987 3987<br />
48 3434 3452 3471 3471<br />
54 3042 3057 3071 3071<br />
60 2729 2741 2753 2753<br />
66 2473 2483 2493 2493<br />
72 2260 2268 2276 2276<br />
78 2079 2086 2093 2093<br />
84 1924 1930 1936 1936<br />
90 1789 1795 1800 1800<br />
96 1573 1586 1599 1599<br />
102 1384 1395 1406 1406<br />
108 1225 1234 1243 1243<br />
114 1091 1098 1106 1106<br />
120 976 953 989 989<br />
126 876 778 888 888<br />
132 692 608 800 800<br />
138 502 441 723 723<br />
144 314 276 655 655<br />
150 N/A N/A 595 595<br />
156 N/A N/A 519 542<br />
162 N/A N/A 305 494<br />
168 N/A N/A N/A 320<br />
27957 All Metal Precision<br />
19/32<br />
45104-GP All Metal Precision<br />
19/32<br />
45103-GP All Metal Precision<br />
*Larger Between Frames and higher capacities may be achieved with a center support puck.<br />
*<strong>Roller</strong> Between Frame lengths available between values shown in the table.<br />
*<strong>Roller</strong> Between Frames can be shorter than values shown utilizing pin retention.<br />
Standard Part Numbering System<br />
Example: 27369 - 17<br />
<strong>Roller</strong> Part<br />
Number<br />
BF<br />
Unground Unground Semi-Precision Semi-Precision<br />
Stainless Steel<br />
Stainless Steel<br />
Precision<br />
Precision<br />
Stainless Steel<br />
*The dimension above include 1/16" clearance between the extension on the<br />
bearing and the side frame at each end.<br />
Plastic Seals Shields Ball Retainer<br />
(Cage)<br />
Keeper<br />
Bar<br />
Page 51
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