Maedler North America

Part number (SKU) 10782138
Material Steel (1045)
Surface Blank
Number of strands 1
Hardened Yes
Hub One sided
DIN ISO No. 12 B-1
No. of teeth 21
Bore H7 38 [mm]
Version A
Outer diameter [da] 136.0 [mm]
Pitch circle diameter [d] 127.82 [mm]
Hub diameter [ND] 90 [mm]
Total length [L] 40 [mm]
keyway width [KH9] 10 [mm]
Depth of keyway [T2] 3.3 [mm]
Thread size [M] M 8
Weight 2.071 [kg]

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CAD FILES (download)

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Weight 2.15 kg
Dimensions 142 × 139 × 49 cm
Material

Surface

Number of strands

Hardened

Hub

DIN ISO No.

No. of teeth

Bore H7

Version

Outer diameter

Pitch circle diameter

Hub diameter

Total length

keyway width

Depth of keyway

Thread size

Weight

Sprocket KRF with hub 12 B-1 21 teeth material steel bore 38H7 keyway DIN 6885/1 2 set screw threads teeth induction hardened PN: 10782138

Material: Steel C45, teeth induction hardened (approx. HRC 50). Ready-to-install,
for various shaft diameters.
Custom bore H7 – surface parameter Ra
1,6, keyway in accordance with DIN 6885/1 positioned beneath tip of
tooth, 2 threads for set screws, one positioned for the keyway, one
offset by 90°. General dimensions: B1 = 11,1 mm, c = 2 mm, r3 = 19 mm.
Other dimensions: See the table.

$60.53

Availability: 1 in stock (backorders ship within 1-2 weeks)

Quantity Discount (%) Price
1 - 9 $60.53
10 - 24 9.45 % $54.81
25 - 49 18.92 % $49.08
50+ 28.4 % $43.34

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Sprocket KRF with hub 12 B-1 21 teeth material steel bore 38H7 keyway DIN 6885/1 2 set screw threads teeth induction hardened PN: 10782138

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