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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-C Series

  • SAPL-C-2D (.dwg)
  • SAPL-C-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)
L1 L2 L D1 P.C.D Shaft
(Pi)
Hub
(Po)
Size The no.
of
screws
Fastening
Torque
(N·m)
SAPL-CK-5 x 12 10 19 22 23 15.5 9 3.4 188 99 M3x8 4 1.7 36
SAPL-CK-6 x 12 10 19 22 23 15.5 11 3.4 156 99 M3x8 4 1.7 34
SAPL-CK-8 x 15 12 23 27 28 19.5 25 6 174 116 M4x10 4 4 61
SAPL-CK-10 x 18 12 23 27 31.5 22.5 44 8.7 193 134 M4x10 5 4 78
SAPL-CK-11 x 18 12 23 27 31.5 22.5 48 8.7 176 134 M4x10 5 4 75
SAPL-CK-12 x 20 12 23 27 33.5 24.5 53 8.7 161 121 M4x10 5 4 86
SAPL-CK-14 x 22 12 23 27 35.5 26.5 61 8.7 138 110 M4x10 5 4 94
SAPL-CK-15 x 23 14 27 32 38.5 28.5 115 15.3 178 150 M5x12 4 8 135
SAPL-CK-16 x 24 14 27 32 39.5 29.5 123 15.3 167 144 M5x12 4 8 140
SAPL-CK-17 x 25 14 27 32 40.5 30.5 131 15.3 158 138 M5x12 4 8 146
SAPL-CK-18 x 26 14 30 36 46 33 210 23.2 195 198 M6x14 4 14 221
SAPL-CK-19 x 27 14 30 36 47 34 221 23.2 185 191 M6x14 4 14 228
SAPL-CK-20 x 28 14 30 36 48 35 233 23.2 176 184 M6x14 4 14 235
SAPL-CK-22 x 32 16 32 38 52 39 256 23.2 146 141 M6x14 4 14 287
SAPL-CK-24 x 34 16 32 38 54 41 279 23.2 134 133 M6x14 4 14 302
SAPL-CK-25 x 34 16 32 38 54 41 291 23.2 128 133 M6x14 4 14 293
SAPL-CK-28 x 39 20 36 42 59 46 488 34.8 146 139 M6x14 6 14 378
SAPL-CK-30 x 41 20 36 42 61 48 523 34.8 136 132 M6x14 6 14 396
  • 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.