Econobelt Sprockets Q470 Catalog

A Type Sprockets
For No. 50 Single Strand Roller Chains

MATERIAL:
S45c AISI 1045 Steel
FINISH:
Black Oxide

Dimensions in ( ) are mm.

Catalog Number	No. of Teeth	Bore +.001 +0.025 -.000 ( 0 )	Pitch Diameter ØPD	ØOD +.000 0 -.005 -0.127( )
QSPK50-AC01220 QSPK50-AC01320	12 13	.625 (15.88)	2.415 (61.34) 2.612 (68.33)	2.708 (68.8) 2.911 (73.9)
QSPK50-AC01420 QSPK50-AC01520	14 15	.625 (15.88)	2.809 (71.34) 3.006 (76.35)	3.113 (79.1) 3.315 (84.2)
QSPK50-AC01620 QSPK50-AC01720	16 17	.625 (15.88)	3.204 (81.37) 3.401 (66.39)	3.517 (89.3) 3.718 (94.4)
QSPK50-AC01820 QSPK50-AC01920	18 19	.625 (15.88)	3.599 (81.42) 3.797 (96.45)	3.920 (99.6) 4.120 (104.7)
QSPK50-AC02020 QSPK50-AC02124	20 21	.750 (19.05)	3.995 (101.48) 4.193 (106.51)	4.321 (109.8) 4.522 (114.8)
QSPK50-AC02224 QSPK50-AC02324	22 23	.750 (19.05)	4.392 (111.56) 4.590 (116.59)	4.722 (119.9) 4.922 (125)
QSPK50-AC02424 QSPK50-AC02524	24 25	.750 (19.05)	4.788 (121.62) 4.987 (126.58)	5.122 (130.1) 5.322 (135.2)
QSPK50-AC02624 QSPK50-AC02724	26 27	.750 (19.05)	5.185 (131.7) 5.384 (136.74)	5.522 (140.3) 5.722 (145.3)
QSPK50-AC02824 QSPK50-AC02924	28 29	.750 (19.05)	5.582 (141.79) 5.781 (146.83)	5.922 (150.4) 6.122 (155.5)
QSPK50-AC03024 QSPK50-AC03124	30 31	.750 (19.05)	5.979 (151.87) 6.178 (156.92)	6.321 (160.6) 6.521 (165.6)
QSPK50-AC03224 QSPK50-AC03324	32 33	.750 (19.05)	6.376 (161.95) 6.575 (167.01)	6.721 (170.7) 6.920 (175.6)
QSPK50-AC03424 QSPK50-AC03524	34 35	.750 (19.05)	6.774 (172.05) 6.972 (177.1)	7.120 (180.8) 7.319 (185.9)
QSPK50-AC03624 QSPK50-AC03724	36 37	.750 (19.05)	7.171 (182.15) 7.370 (187.19)	7.519 (191) 7.718 (196)
QSPK50-AC03824 QSPK50-AC03924 QSPK50-AC04024	38 39 40	.750 (9.05)	7.568 (192.24) 7.767 (197.29) 7.968 (202.33)	7.918 (201.1) 8.117 (206.2) 8.316 (211.2)

Larger numbers of teeth on the next page

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