参数介绍：
A-片式链轮，B-台式链轮，C-双侧带台；S-Single单排，D-Double双排，T-Triple三排，也可以用数字表示，例如
“80-1、80-2”中的1、2分别代表单排、双排，或者“B1、B2代表台式单排、双排”；Pitch节距；TB代表锥孔；欧标
用毫米（Metric，mm），美标用英寸（Inches，”）。
BTL、STL、QTL链轮分别于BTL、STL、QTL锥套配套使用，锥套信息请参考锥套产品介绍。
NSPT完整系列“QTL”TB链轮及配套的“QTL”轴套，(间距3/8”-21/2”，轴套类型来自JA-S)。QTL TB链轮采用
商用包装，可根据客户的要求进行包装。完整系列的QTL (JA-S)都是库存项目，可以提供现货。
编号示例：
3QTL100F35-3QTL100J80，表示：链号100的三排QTL锥孔链轮，齿数范围从30至80，配的QTL锥套号从F至J。
产品范围：
系列标准 | 产品形式 | 尺寸范围（齿数或孔径等） |
美标 | 35-1 For 3/8"Pitch | QTL35JA19H-QTL35SH112 |
35-2 For 3/8"Pitch | 2QTL35SDS68-2QTL35SK102 | |
35-3 For 3/8"Pitch | 3QTL35SK68-SQTL35SK102 | |
41-1 For 1/2"Pitch | QTL41JA15-QTL41SK112 | |
40-1 For 1/2"Pitch | QTL40JA15H-QTL40SK112 | |
40-2 For 1/2"Pitch | 2QTL40SK36H-2QTL40SF112 | |
40-3 For 1/2"Pitch | 3QTL40SK36H-3QTL40SF102 | |
50-1 For 5/8"Pitch | QTL50JA12H-QTL50SF112 | |
50-2 For 5/8"Pitch | 2QTL50SK36H-2QTL50SF112 | |
50-3 For 5/8"Pitch | 3QTL50SK36H-3QTL50SF102 | |
60-1 For 3/4"Pitch | QTL60JA11H-QTL60E112 | |
60-2 For 3/4"Pitch | 2QTL60SH14H-2QTL60E95 | |
60-3 For 3/4"Pitch | 3QTL60E36-3QTL60E95 | |
80-1 For 1"Pitch | QTL80SH11H-QTL80F112 | |
80-2 For 1"Pitch | 2QTL80E36H-2QTL80F95 | |
80-3 For 1"Pitch | 3QTL80E36H-3QTL80F95 | |
100-1 For 1 1/4"Pitch | QTL100SDS-11H-QTL100F84 | |
100-2 For 1 1/4"Pitch | 2QTL100F35-2QTL100J80 | |
100-3 For 1 1/4"Pitch | 3QTL100F35-3QTL100J80 | |
120-1 For 1 1/2"Pitch | QTL120SF12H-QTL120J80 | |
120-2 For 1 1/2"Pitch | 2QTL120J30-2QTL120M60 | |
140-1 For 1 3/4"Pitch | QTL140SF11H-QTL140M80 | |
140-2 For 1 3/4"Pitch | 2QTL140J35-2QTL140M60 | |
160-1 For 2"Pitch | QTL160E12H-QTL160M80 | |
160-2 For 2"Pitch | 2QTL160M35-2QTL160N60 | |
200-1 For 2 1/2"Pitch | QTL200F12-QTL200N60 |
美标样本：
QTL锥孔链轮-美标.pdf
