DIAMETER INCH ( m/m ) |
TOP PLATE SIZE INCH ( m/m ) |
BOLT HOLE SPACING INCH ( m/m ) |
BOLT HOLE SIZE INCH ( m/m ) |
TOP PLATE NUMBER |
2 |
19/16 x 211/16 ( 40 x 68 ) |
15/16 x 21/8 ( 24 x 54.5 ) |
1/4 ( 6.5 ) |
R1 |
21/2
|
23/8 x 47/16 ( 60 x 113 ) |
11/16 x 31/2 ( 26.4 x 88 ) |
5/16 ( 8 ) |
R2 |
3 |
27/16 x 47/8 ( 62 x 124 ) |
13/16 x 315/16 ( 30.5 x 100.5 ) |
5/16 ( 8.5 ) |
R3 |
4 |
31/4 x 61/4 ( 82 x 159 ) |
13/4 x 415/16 ( 44 x 126 ) |
3/8 ( 10.3 ) |
R4
|