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參數介紹：
A-片式鏈輪，B-臺式鏈輪，C-雙側帶臺；S-Single單排，D-Double雙排，T-Triple三排，也可以用數字表示，例如
“80-1、80-2”中的1、2分別代表單排、雙排，或者“B1、B2代表臺式單排、雙排”；Pitch節距；TB代表錐孔；歐標
用毫米（Metric，mm），美標用英寸（Inches，”）。
BTL、STL、QTL鏈輪分別于BTL、STL、QTL錐套配套使用，錐套信息請參考錐套產品介紹。
NSPT完整系列“QTL”TB鏈輪及配套的“QTL”軸套，(間距3/8”-21/2”，軸套類型來自JA-S)。QTL TB鏈輪采用
商用包裝，可根據客戶的要求進行包裝。完整系列的QTL (JA-S)都是庫存項目，可以提供現貨。
編號示例：
3QTL100F35-3QTL100J80，表示：鏈號100的三排QTL錐孔鏈輪，齒數范圍從30至80，配的QTL錐套號從F至J。
產品范圍：
系列標準 | 產品形式 | 尺寸范圍（齒數或孔徑等） |
美標 | 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 |
美標樣本：
QTL錐孔鏈輪-美標.pdf
