Sprocket type 12B | Sprockets | Standard Parts | Manufactures
Sprocket
Type 12B
Pitch
Roller Diameter
Tooth Width (Single)
Tooth Width (Duplex)
Tooth Width (Triplex)
Transverse Pitch of Strands
Tooth Side Relief
Tooth Side Relief high
Length through (Single)
Length through (Duplex)
Length through (Triplex)
P
Dr
B1
B2
B3
Pt
ch
h
L1
L2
L3
15.875 mm
10.16 mm
9.2 mm
9.0 mm
9.0 mm
16.59 mm
2.1 mm
7.9 mm
=d+B1
=d+pt+B2
=d+(2xpt)+B3
0~50
+0.1/-0.1
50~150
150~250
250~350
350~450
450~
+0.2/-0.2
+0.2/-0.3
+0.3/-0.4
+0.3/-0.4
+0.3/-0.6
Tolerance
Dk
Other tolerances according to ISO 2768-1 m
Product Code
Z
d
Df
CD
Dk
Dg
Db/L
S ISO 12B-010
S ISO 12B-011
S ISO 12B-012
S ISO 12B-013
S ISO 12B-014
S ISO 12B-015
S ISO 12B-016
S ISO 12B-017
S ISO 12B-018
S ISO 12B-019
S ISO 12B-020
S ISO 12B-021
S ISO 12B-022
S ISO 12B-023
S ISO 12B-024
S ISO 12B-025
S ISO 12B-026
S ISO 12B-027
S ISO 12B-028
S ISO 12B-029
S ISO 12B-030
S ISO 12B-031
S ISO 12B-032
S ISO 12B-033
S ISO 12B-034
S ISO 12B-035
S ISO 12B-036
S ISO 12B-037
S ISO 12B-038
S ISO 12B-039
S ISO 12B-040
S ISO 12B-041
S ISO 12B-042
S ISO 12B-043
S ISO 12B-044
S ISO 12B-045
S ISO 12B-046
S ISO 12B-047
S ISO 12B-048
S ISO 12B-049
S ISO 12B-050
S ISO 12B-051
S ISO 12B-052
S ISO 12B-053
S ISO 12B-054
S ISO 12B-055
S ISO 12B-056
S ISO 12B-057
S ISO 12B-058
S ISO 12B-059
S ISO 12B-060
S ISO 12B-061
S ISO 12B-062
S ISO 12B-063
S ISO 12B-064
S ISO 12B-065
S ISO 12B-066
S ISO 12B-067
S ISO 12B-068
S ISO 12B-069
S ISO 12B-070
S ISO 12B-071
S ISO 12B-072
S ISO 12B-073
S ISO 12B-074
S ISO 12B-075
S ISO 12B-076
S ISO 12B-077
S ISO 12B-078
S ISO 12B-079
S ISO 12B-080
S ISO 12B-081
S ISO 12B-082
S ISO 12B-083
S ISO 12B-084
S ISO 12B-085
S ISO 12B-086
S ISO 12B-087
S ISO 12B-088
S ISO 12B-089
S ISO 12B-090
S ISO 12B-091
S ISO 12B-092
S ISO 12B-093
S ISO 12B-094
S ISO 12B-095
S ISO 12B-096
S ISO 12B-097
S ISO 12B-098
S ISO 12B-099
S ISO 12B-100
S ISO 12B-101
S ISO 12B-102
S ISO 12B-103
S ISO 12B-104
S ISO 12B-105
S ISO 12B-106
S ISO 12B-107
S ISO 12B-108
S ISO 12B-109
S ISO 12B-110
S ISO 12B-111
S ISO 12B-112
S ISO 12B-113
S ISO 12B-114
S ISO 12B-115
S ISO 12B-116
S ISO 12B-117
S ISO 12B-118
S ISO 12B-119
S ISO 12B-120
S ISO 12B-121
S ISO 12B-122
S ISO 12B-123
S ISO 12B-124
S ISO 12B-125
S ISO 12B-126
S ISO 12B-127
S ISO 12B-128
S ISO 12B-129
S ISO 12B-130
S ISO 12B-131
S ISO 12B-132
S ISO 12B-133
S ISO 12B-134
S ISO 12B-135
S ISO 12B-136
S ISO 12B-137
S ISO 12B-138
S ISO 12B-139
S ISO 12B-140
S ISO 12B-141
S ISO 12B-142
S ISO 12B-143
S ISO 12B-144
S ISO 12B-145
S ISO 12B-146
S ISO 12B-147
S ISO 12B-148
S ISO 12B-149
S ISO 12B-150
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114
115
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120
121
122
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124
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127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
61.6
67.6
73.6
79.6
85.6
91.6
97.6
103.7
109.7
115.7
121.8
127.8
133.9
139.9
145.9
152.0
158.0
164.1
170.1
176.2
182.2
188.3
194.4
200.4
206.5
212.5
218.6
224.6
230.7
236.7
242.8
248.9
254.9
261.0
267.0
273.1
279.2
285.2
291.3
297.3
303.4
309.4
315.5
321.6
327.6
333.7
339.8
345.8
351.9
357.9
364.0
370.1
376.1
382.2
388.2
394.3
400.4
406.4
412.5
418.5
424.6
430.7
436.7
442.8
448.9
454.9
461.0
467.0
473.1
479.2
485.2
491.3
497.4
503.4
509.5
515.5
521.6
527.7
533.7
539.8
545.9
551.9
558.0
564.0
570.1
576.2
582.2
588.3
594.4
600.4
606.5
612.5
618.6
624.7
630.7
636.8
642.9
648.9
655.0
661.0
667.1
673.2
679.2
685.3
691.4
697.4
703.5
709.6
715.6
721.7
727.7
733.8
739.9
745.9
752.0
758.1
764.1
770.2
776.2
782.3
788.4
794.4
800.5
806.6
812.6
818.7
824.8
830.8
836.9
842.9
849.0
855.1
861.1
867.2
873.3
879.3
885.4
891.4
897.5
903.6
909.6
49.6
55.5
61.5
67.5
73.5
79.6
85.6
91.6
97.6
103.7
109.7
115.7
121.8
127.8
133.9
139.9
146.0
152.0
158.1
164.1
170.2
176.2
182.3
188.3
194.4
200.4
206.5
212.6
218.6
224.7
230.7
236.8
242.8
248.9
255.0
261.0
267.1
273.1
279.2
285.3
291.3
297.4
303.4
309.5
315.6
321.6
327.7
333.7
339.8
345.9
351.9
358.0
364.0
370.1
376.2
382.2
388.3
394.4
400.4
406.5
412.5
418.6
424.7
430.7
436.8
442.8
448.9
455.0
461.0
467.1
473.2
479.2
485.3
491.3
497.4
503.5
509.5
515.6
521.7
527.7
533.8
539.8
545.9
552.0
558.0
564.1
570.2
576.2
582.3
588.3
594.4
600.5
606.5
612.6
618.7
624.7
630.8
636.9
642.9
649.0
655.0
661.1
667.2
673.2
679.3
685.4
691.4
697.5
703.5
709.6
715.7
721.7
727.8
733.9
739.9
746.0
752.0
758.1
764.2
770.2
776.3
782.4
788.4
794.5
800.6
806.6
812.7
818.7
824.8
830.9
836.9
843.0
849.1
855.1
861.2
867.3
873.3
879.4
885.4
891.5
897.6
49.6
54.9
61.5
67.0
73.5
79.1
85.6
91.2
97.6
103.3
109.7
115.4
121.8
127.5
133.9
139.6
146.0
151.7
158.1
163.9
170.2
176.0
182.3
188.1
194.4
200.2
206.5
212.4
218.6
224.5
230.7
236.6
242.8
248.7
255.0
260.9
267.1
273.0
279.2
285.1
291.3
297.2
303.4
309.4
315.6
321.5
327.7
333.6
339.8
345.7
351.9
357.9
364.0
370.0
376.2
382.1
388.3
394.2
400.4
406.4
412.5
418.5
424.7
430.6
436.8
442.7
448.9
454.9
461.0
467.0
473.2
479.1
485.3
491.3
497.4
503.4
509.5
515.5
521.7
527.6
533.8
539.8
545.9
551.9
558.0
564.0
570.2
576.1
582.3
588.3
594.4
600.4
606.5
612.5
618.7
624.7
630.8
636.8
642.9
648.9
655.0
661.0
667.2
673.2
679.3
685.3
691.4
697.4
703.5
709.5
715.7
721.7
727.8
733.8
739.9
745.9
752.0
758.1
764.2
770.2
776.3
782.3
788.4
794.4
800.6
806.6
812.7
818.7
824.8
830.8
836.9
842.9
849.1
855.1
861.2
867.2
873.3
879.3
885.4
891.5
897.6
41
47
53
59
65
72
78
84
90
96
102
108
114
121
127
133
139
145
151
157
163
169
175
181
188
194
200
206
212
218
224
230
236
242
248
254
260
267
273
279
285
291
297
303
309
315
321
327
333
339
345
352
358
364
370
376
382
388
394
400
406
412
418
424
430
436
443
449
455
461
467
473
479
485
491
497
503
509
515
521
527
534
540
546
552
558
564
570
576
582
588
594
600
606
612
618
625
631
637
643
649
655
661
667
673
679
685
691
697
703
709
716
722
728
734
740
746
752
758
764
770
776
782
788
794
800
806
813
819
825
831
837
843
849
855
861
867
873
879
885
891
69.5
75.6
81.7
87.8
93.9
100.0
106.1
112.1
118.2
124.3
130.4
136.5
142.5
148.6
154.7
160.7
166.8
172.9
179.0
185.0
191.1
197.2
203.2
209.3
215.4
221.4
227.5
233.6
239.6
245.7
251.8
257.8
263.9
270.0
276.0
282.1
288.2
294.2
300.3
306.4
312.4
318.5
324.6
330.6
336.7
342.8
348.8
354.9
361.0
367.0
373.1
379.2
385.2
391.3
397.4
403.4
409.5
415.6
421.6
427.7
433.8
439.8
445.9
451.9
458.0
464.1
470.1
476.2
482.3
488.3
494.4
500.5
506.5
512.6
518.7
524.7
530.8
536.9
542.9
549.0
555.0
561.1
567.2
573.2
579.3
585.4
591.4
597.5
603.6
609.6
615.7
621.8
627.8
633.9
639.9
646.0
652.1
658.1
664.2
670.3
676.3
682.4
688.5
694.5
700.6
706.7
712.7
718.8
724.8
730.9
737.0
743.0
749.1
755.2
761.2
767.3
773.4
779.4
785.5
791.6
797.6
803.7
809.7
815.8
821.9
827.9
834.0
840.1
846.1
852.2
858.3
864.3
870.4
876.4
882.5
888.6
894.6
900.7
906.8
912.8
918.9
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