Page 644 - MISUMI SINGAPORE Economy Series

Sprockets Nominal No.20B

Representative model: C-SPB20B12-S-20

Shipping
28.08 SGD 14 days
from

Volume Discount
Quantity 2~9 10~
Link Pitch 31.75 Discount Unit Price 30%
E Shipping days may differ by Quantity.
E Quantity of volume discount above is for representative Part No. It may differ by the Part.
Shaft Hole Shaft Hole
Specifications S Specifications N
b2 18.5 (Through Hole) (New JIS key+Threaded Hole)
L 2-M
QShaft Hole Machining Size Table t2 120°
Shaft Hole Diameter Keyway Fixing Screw
D b2×t2 M DO DP H
25·30 8×3.3 8
35 10×3.3 8
40 12×3.3 8
45·50 14×3.8 10 6DH8 6DH7
Do not use in combination with 20A series chain. 6DH7 L
E Process issue: There is no guarantee that the H
tooth tip of multiple products is consistent with
each other
EOffset between tooth top and keyway ±0.5mm Material: S45C Equivalent (Teeth Tip: Induction hardening)
＊For keyway size, refer to GB/T 1095 Attachments: Set Screw (Only Shaft Hole Specifications N)
Part Number 5 6Shaft Hole Diameter (D)
2Nominal 3Hub 4Number of Hole S Specifications Dp DO H L L
1Type Model Type Teeth (T) Specifications (H8) N Specifications (H7)
10 25 30 102.74 117 70 40 10
11 25 30 112.68 127 77
12 30 35 122.68 137 88
13 20 30 35 40 132.65 147.5 98 45 13
14 35 40 45 50 142.68 157.6 108
S
C-SPB 20 B 15 N 40 45 50 152.72 167.7 118
6 16 40 45 50 162.75 177.7
17 45 50 172.78 187.8 120 50 15
Sprockets / Chains Ordering Please order after selecting part number and parameters according to the selection steps 1 to 6.
18
45 50 182.85 197.8
25
45 50 192.91 207.9
19
45 50 202.98 217.9
20
Example
-
-
S
C-SPB20B12
20
Sprockets / Chains How to search Part Number (1Type · 2Nominal Model · 3Hub Type · 4Number of Teeth) - 5Hole Specifications - 6Shaft Hole Diameter
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MISUMI
P.621 Type C-SPB Keyword sprocket 20b Economy series
Chains With Attachments
P.641
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