Tolerances for metric series tapered roller bearings
Table 4-8 Bearing width and effective width
Figures Unit : m
Nominal bore diameter
d
mm		 Actual bearing width deviation
Ts		 Actual effective cone sub-unit width deviation
T1s		 Actual effective cup sub-unit width deviation
T2s
class 0 class 6X class 6 class 5, 4 class 0 class 6X class 0 class 6X
over up to upper lower upper lower upper lower upper lower upper lower upper lower upper lower upper lower
10
18
30		 18
30
50
+200
+200
+200		 0
0
0
+100
+100
+100		 0
0
0
+200
+200
+200		 0
0
0
+200
+200
+200		 -200
-200
-200
+100
+100
+100		 0
0
0
+50
+50
+50		 0
0
0
+100
+100
+100		 0
0
0
+50
+50
+50		 0
0
0
50
80
120		 80
120
180
+200
+200
+350		 0
-200
-250
+100
+100
+150		 0
0
0
+200
+200
+350		 0
-200
-250
+200
+200
+350		 -200
-200
-250
+100
+100
+150		 0
-100
-150
+50
+50
+50		 0
0
0
+100
+100
+200		 0
-100
-100
+50
+50
+100		 0
0
0
180
250
315		 250
315
400
+350
+350
+400		 -250
-250
-400
+150
+200
+200		 0
0
0
+350
+350
+400		 -250
-250
-400
+350
+350
+400		 -250
-2501)
-4001)
+150
+150
+200		 -150
-150
-200
+50
+100
+100		 0
0
0
+200
+200
+200		 -100
-100
-200
+100
+100
+100		 0
0
0
400
500
630
800		 500
630
800
1000
+400
+500
+600
+750		 -400
-500
-600
-750
-
-
-
-		 -
-
-
-
+400
+500
+600
+750		 -400
-500
-600
-750
+400
+500
+600
+750		 -4001)
-5001)
-6001)
-7501)
-
-
-
-		 -
-
-
-
-
-
-
-		 -
-
-
-
-
-
-
-		 -
-
-
-
-
-
-
-		 -
-
-
-
[Note] 1) These shall be applied to bearings of tolerance class 5.
[Remark] Values in italics are prescribed in Koyo standards.