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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-R Series

  • SAPL-R-2D (.dwg)
  • SAPL-R-3D (.step)
Dimensions / Performance
Model
d X D
CAD Size (mm) Initial
Clamping
Force
Ppre-load (N)
W* (mm) Pressure Flange Surface Pressure (Mpa) Mass
(g)
L1 L 1 set 2 set 3 set 4 set d1 D1 Shaft
(Pi)
Hub
(Po)
SAPL-R-6 x 9 3.7 4.5 8400 2.5 2.5 3 4 6.1 8.9 115 75 2
SAPL-R-7 x 10 3.7 4.5 8200 2.5 2.5 3 4 7.1 9.9 105 70 2
SAPL-R-8 x 11 3.7 4.5 7700 2.5 2.5 3 4 8.1 10.9 120 90 2
SAPL-R-9 x 12 3.7 4.5 7650 2.5 2.5 3 4 9.1 11.9 140 105 2
SAPL-R-10 x 13 3.7 4.5 7000 2.5 2.5 3 4 10.1 12.9 135 105 2
SAPL-R-11 x 14 3.7 4.5 7000 2.5 2.5 3 4 11.1 13.9 115 90 2
SAPL-R-12 x 15 3.7 4.5 7000 2.5 2.5 3 4 12.1 14.9 115 90 2
SAPL-R-13 x 16 3.7 4.5 6500 2.5 2.5 3 4 13.1 15.9 110 90 2
SAPL-R-14 x 18 5.3 6.3 11000 3.5 3.5 4.5 5.5 14.1 17.9 115 85 5
SAPL-R-15 x 19 5.3 6.3 10800 3.5 3.5 4.5 5.5 15.1 18.9 110 85 5
SAPL-R-16 x 20 5.3 6.3 10000 3.5 3.5 4.5 5.5 16.1 19.9 105 85 6
SAPL-R-17 x 21 5.3 6.3 9600 3.5 3.5 4.5 5.5 17.1 20.9 105 80 6
SAPL-R-18 x 22 5.3 6.3 9150 3.5 3.5 4.5 5.5 18.1 21.9 100 110 7
SAPL-R-19 x 24 5.3 6.3 12500 3.5 3.5 4.5 5.5 19.2 23.8 140 105 7
SAPL-R-20 x 25 5.3 6.3 12000 3.5 3.5 4.5 5.5 20.2 24.8 135 115 9
SAPL-R-22 x 26 5.3 6.3 9000 3.5 3.5 4.5 5.5 22.2 25.8 135 110 7
SAPL-R-24 x 28 5.3 6.3 8400 3.5 3.5 4.5 5.5 24.2 27.8 130 95 8
SAPL-R-25 x 30 5.3 6.3 10000 3.5 3.5 4.5 5.5 25.2 29.8 115 100 9
SAPL-R-28 x 32 5.3 6.3 7500 3.5 3.5 4.5 5.5 28.2 31.8 115 85 10
SAPL-R-30 x 35 5.3 6.3 8600 3.5 3.5 4.5 5.5 30.2 34.8 100 115 11
SAPL-R-32 x 36 5.3 6.3 7900 3.5 3.5 4.5 5.5 32.2 35.8 130 110 11
SAPL-R-35 x 40 6 7 10000 3.5 3.5 4.5 5.5 35.2 39.8 125 100 16
SAPL-R-36 x 42 6 7 11700 3.5 3.5 4.5 5.5 36.2 41.8 115 95 19
SAPL-R-38 x 44 6 7 11000 3.5 3.5 4.5 5.5 38.2 43.8 110 105 21
SAPL-R-40 x 45 6.6 8 13900 3.5 4.5 5.5 6.5 40.2 44.8 115 95 21
SAPL-R-42 x 48 6.6 8 15550 3.5 4.5 5.5 6.5 42.2 47.8 110 95 26
SAPL-R-45 x 52 8.6 10 28300 3.5 4.5 5.5 6.5 45.2 51.8 105 135 45
SAPL-R-48 x 55 8.6 10 24700 3.5 4.5 5.5 6.5 48.2 54.8 155 130 43
SAPL-R-50 x 57 8.6 10 23600 3.5 4.5 5.5 6.5 50.2 56.8 150 125 45
  • 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.
  • W*: Distance(W) between pressure flange and hub/shaft when several pieces of SAPL-R are mounted simultaneously.