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Product
A.P. LOCK
(Keyless Bushing)

A.P. Lock (Keyless Bushing) is a power transmission component that
enables to clamp shaft and hubs (i.e. pulley, gear etc.) simultaneously
through its surface pressure. S.I.M provides diverse options in regards
to size, body material and surface treatment.

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  • INDEX (A.P.LOCK)
  • Selection and Design Guide
  • HOW TO INSTALL
    (SAPL-A, B,C, D1, D2, D3, D4, T Series)
  • HOW TO INSTALL (SAPL-R)
  • HOW TO INSTALL (SAPC, SAPA)

SAPL-D3 Series

  • SAPL-D3-2D (.dwg)
  • SAPL-D3-3D (.step)
Dimensions / Performance
Model
d X D
CAD Size (mm) Max.
Permissible
Torque
(Tc) (N·m)
Max.
Permissible
Thrust Load
(Pt) (kN)
Surface Pressure (Mpa) Screw (locking bolt) Mass
(g)
D1 L1 L2 L3 L Shaft
(Pi)
Hub
(Po)
Size The no.
of
screws
Fastening
Torque
(N·m)
SAPL-D3-19 x 47 56 17 22 28 34 243 26 234 94 M6x20 5 17 300
SAPL-D3-20 x 47 56 17 22 28 34 256 26 222 94 M6x20 5 17 300
SAPL-D3-22 x 47 56 17 22 28 34 282 26 202 94 M6x20 5 17 300
SAPL-D3-24 x 50 59 17 22 28 34 368 31 222 106 M6x20 6 17 300
SAPL-D3-25 x 50 59 17 22 28 34 383 31 213 106 M6x20 6 17 300
SAPL-D3-28 x 55 64 17 22 28 34 429 31 190 97 M6x20 6 17 400
SAPL-D3-30 x 55 64 17 22 28 34 460 31 177 97 M6x20 6 17 400
SAPL-D3-32 x 60 69 17 22 28 34 655 41 222 118 M6x20 8 17 400
SAPL-D3-35 x 60 69 17 22 28 34 716 41 203 118 M6x20 8 17 400
SAPL-D3-38 x 65 74 17 22 28 34 778 41 187 109 M6x20 8 17 500
SAPL-D3-40 x 65 74 17 22 28 34 819 41 178 109 M6x20 8 17 500
SAPL-D3-42 x 75 84 17 25 33 41 1361 65 227 127 M8x25 7 41 800
SAPL-D3-45 x 75 84 20 25 33 41 1458 65 212 127 M8x25 7 41 700
SAPL-D3-48 x 80 89 20 25 33 41 1550 65 200 123 M8x25 7 41 800
SAPL-D3-50 x 80 89 20 25 33 41 1620 65 191 119 M8x25 7 41 800
SAPL-D3-55 x 85 94 20 25 33 41 2037 74 199 129 M8x25 8 41 900
SAPL-D3-60 x 90 99 20 25 33 41 2223 74 182 121 M8x25 8 41 900
  • Pt(Max. Permissible Thrust Load) indicates values at the zero(0) torque, and Tc(Max. Permissible Torque) at the zero(0) thrust load respectively. In case torque and thrust load occur simultaneously, please refer to the formula in the [Selection guide] page for combined load calculation.
  • For the best performance, make sure all foreign substances e.g. corrosion, dust etc. are removed from each surface of shaft, hub, and A.P. Lock’s inner and outer ring.