Inch series tapered roller bearings =ABMA 19=
Table 4-10(1) Cone
Figure Unit : m
Applied bearing type Nominal bore diameter
d, mm(1/25.4)		 Deviation of a single bore diameter ds
class 4 class 2 class 3 class 0 class 00
over up to upper lower upper lower upper lower upper lower upper lower
All types
-   
76.2( 3.0)
266.7(10.5)		 76.2( 3.0)
266.7(10.5)
304.8(12.0)
+13
+25
+25		 0
0
0
+13
+25
+25		 0
0
0
+13
+13
+13		 0
0
0
+13
+13
+13		 0
0
0
+8
+8
+8		 0
0
0
304.8(12.0)
609.6(24.0)
914.4(36.0)
1219.2(48.0)		 609.6(24.0)
914.4(36.0)
1219.2(48.0)
-   
+51
+76
+102
+127		 0
0
0
0
+51
-
-
-		 0
-
-
-
+25
+38
+51
+76		 0
0
0
0
-
-
-
-		 -
-
-
-
-
-
-
-		 -
-
-
-