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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-B Series

  • SAPL-B-2D (.dwg)
  • SAPL-B-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 L3 L D1 P.C.D Shaft
(Pi)
Hub
(Po)
Size The no.
of
screws
Fastening
Torque
(N·m)
SAPL-B-8 x 22 10 13 17 21 25 17 18 5 274 70 M4 x 15 3 4 45
SAPL-B-9 x 23 10 13 17 21 26 18 21 5 243 67 M4 x 15 3 4 50
SAPL-B-10 x 24 10 13 17 21 27 19 29 6 294 85 M4 x 15 4 4 53
SAPL-B-11 x 25 10 13 17 21 28 20 33 6 265 82 M4 x 15 4 4 56
SAPL-B-12 x 26 10 13 17 21 29 21 46 8 304 98 M4 x 15 5 4 60
SAPL-B-13 x 27 10 13 17 21 30 22 49 7 280 95 M4 x 15 5 4 63
SAPL-B-14 x 31 12.5 16 21 26 34 25 69 10 261 85 M5 x 15 4 8 100
SAPL-B-15 x 32 12.5 16 21 26 35 25 74 10 243 82 M5 x 15 4 8 105
SAPL-B-16 x 33 12.5 16 21 26 36 26 78 10 228 79 M5 x 15 4 8 110
SAPL-B-17 x 34 12.5 16 21 26 37 27 103 12 268 97 M5 x 15 5 8 115
SAPL-B-18 x 35 12.5 16 21 26 38 28 108 12 253 94 M5 x 15 5 8 120
SAPL-B-19 x 47 20 24 32 38 53 33 284 29 284 92 M6 x 22 6 16 355
SAPL-B-20 x 47 20 24 32 38 53 33 294 29 270 92 M6 x 22 6 16 350
SAPL-B-22 x 47 20 24 32 38 53 37 324 29 245 92 M6 x 22 6 16 335
SAPL-B-24 x 50 20 24 32 38 56 40 412 34 262 101 M6 x 22 7 16 380
SAPL-B-25 x 50 20 24 32 38 56 40 431 34 252 101 M6 x 22 7 16 370
SAPL-B-28 x 55 20 24 32 38 62 45 471 34 225 92 M6 x 22 7 16 440
SAPL-B-30 x 55 20 24 32 38 62 45 510 34 210 92 M6 x 22 7 16 425
  • 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.