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DSPC-8M QD®

Equivalent to Polychain®

Available in Dozens of sizes

for Your Specific Need

DSPC-8M QD is equivalent to 8MX Polychain® GT2 Timing Sprockets, made to accept QD® bushings.

Excellent for use in high load and torque applications at low speeds.

They produce excellent registration, high torque capacity, and high-speed capability.

Tooth range from 22 to 80 are flanged.

EQUIVALENT TO POLYCHAIN GT2® F=.85
Sprocket Description Q.D. Bores N.O. of Teeth Diameters (inches) Type
Pitch O.D. Flange
8M-25S-12 JA 25 2.506 2.443 2.91 EF-1
8M-28S-12 JA 28 2.807 2.744 3.21 EF-1
8M-30S-12 JA 30 3.008 2.945 3.41 DF-1
8M-32S-12 JA 32 3.208 3.145 3.61 DF-1
8M-34S-12 JA 34 3.41 3.347 3.81 DF-1
8M-36S-12 SH 36 3.609 3.546 4.01 DF-1
8M-38S-12 SH 38 3.81 3.747 4.21 DF-1
8M-40S-12 SH 40 4.01 3.947 4.41 DF-1
8M-45S-12 SDS 45 4.511 4.448 4.91 DF-1
8M-48S-12 SDS 48 4.812 4.749 5.21 DF-1
8M-50S-12 SDS 50 5.013 4.95 5.41 DF-1
8M-56S-12 SDS 56 5.614 5.551 6.01 DF-1
8M-60S-12 SDS 60 6.015 5.952 6.42 DF-1
8M-63S-12 SDS 63 6.316 6.253 6.72 DF-1
8M-75S-12 SDS 75 7.519 7.456 7.92 DF-2
8M-80S-12 SDS 80 8.02 7.957 8.42 DF-2
8M-90S-12 SDS 90 9.023 8.96 (-) D-2
8M-112S-12 SK 112 11.229 11.166 (-) G-2
EQUIVALENT TO POLYCHAIN GT2® F=1.24
Sprocket Description Q.D. Bores N.O. of Teeth Diameters (inches) Type
Pitch O.D. Flange
8M-34S-21 SH 34 3.41 3.347 3.81 EF-1
8M-36S-21 SH 36 3.609 3.546 4.01 DF-1
8M-38S-21 SH 38 3.81 3.746 4.21 DF-1
8M-40S-21 SH 40 4.01 3.947 4.41 DF-1
8M-45S-21 SDS 45 4.511 4.448 4.91 DF-1
8M-48S-21 SDS 48 4.812 4.749 5.21 DF-1
8M-50S-21 SDS 50 5.013 4.95 5.41 DF-1
8M-56S-21 SDS 56 5.614 5.551 6.01 DF-1
8M-60S-21 SK 60 6.015 5.952 6.42 CF-1
8M-63S-21 SK 63 6.316 6.253 6.72 CF-1
8M-75S-21 SK 75 7.519 7.456 7.92 DF-1
8M-80S-21 SK 80 8.02 7.957 8.42 DF-1
8M-90S-21 SK 90 9.023 8.96 (-) D-1
8M-112S-21 SK 112 11.229 11.166 (-) C-2
EQUIVALENT TO POLYCHAIN® GT2 F=1.86
Sprocket Description Q.D. Bores N.O. of Teeth Diameters (inches) Type
Pitch O.D. Flange
8M-34S-36 SH 34 3.41 3.347 3.81 EF-1
8M-36S-36 SH 36 3.609 3.546 4.01 AF-1
8M-38S-36 SH 38 3.81 3.747 4.21 AF-1
8M-40S-36 SH 40 4.01 3.947 4.41 AF-1
8M-45S-36 SD 45 4.511 4.448 4.91 DF-1
8M-48S-36 SD 48 4.812 4.749 5.21 DF-1
8M-50S-36 SK 50 5.013 4.95 5.41 DF-1
8M-56S-36 SK 56 5.614 5.551 6.01 DF-1
8M-60S-36 SK 60 6.015 5.952 6.42 DF-1
8M-63S-36 SK 63 6.316 6.253 6.72 DF-1
8M-75S-36 SF 75 7.519 7.456 7.92 DF-1
8M-80S-36 SF 80 8.02 7.957 8.42 DF-1
8M-90S-36 SF 90 9.023 8.96 (-) D-1
8M-112S-36 SF 112 11.229 11.166 (-) D-2
EQUIVALENT TO POLYCHAIN® GT2 F=2.91
Sprocket Description Q.D. Bores N.O. of Teeth Diameters (inches) Type
Pitch O.D. Flange
8M-34S-36 SH 34 3.41 3.347 3.81 EF-1
8M-36S-36 SH 36 3.609 3.546 4.01 AF-1
8M-38S-36 SH 38 3.81 3.747 4.21 AF-1
8M-40S-36 SH 40 4.01 3.947 4.41 AF-1
8M-45S-36 SD 45 4.511 4.448 4.91 DF-1
8M-48S-36 SD 48 4.812 4.749 5.21 DF-1
8M-50S-36 SK 50 5.013 4.95 5.41 DF-1
8M-56S-36 SK 56 5.614 5.551 6.01 DF-1
8M-60S-36 SK 60 6.015 5.952 6.42 DF-1
8M-63S-36 SK 63 6.316 6.253 6.72 DF-1
8M-75S-36 SF 75 7.519 7.456 7.92 DF-1
8M-80S-36 SF 80 8.02 7.957 8.42 DF-1
8M-90S-36 SF 90 9.023 8.96 (-) D-1
8M-112S-36 SF 112 11.229 11.166 (-) D-2

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