M Series – Push Fit Ball Transfer Units

M Series
M Series
Switch measurements:
Part Load (lb)Load (kg) Weight BALL ⌀ ″Ball Ø (mm) A A* B B* C D E£ fromFile icon FilesAdd to Cart
M12 55 25 0.084 0.038 1/2" 12 0.866 22 - - 0.315 8 - - 0.126 3.2 1.063 27 0.657 16.7 £3.60PDF Step
M14 132 60 0.117 0.053 5/8" 15 0.945 24 0.984 - 1.004 25 - 25.5 0.319 8.1 0.331 8.4 0.197 5 1.181 30 0.787 20 £7.63PDF Step
M15 132 60 0.130 0.059 5/8" 15 0.945 24 0.984 - 1.004 25 - 25.5 0.374 9.5 0.386 9.8 0.157 4 1.220 31 0.827 21 £6.40PDF Step
M22 397 180 0.417 0.189 7/8" 22 1.417 36 1.457 - 1.465 37 - 37.2 0.386 9.8 0.398 10.1 0.150 3.8 1.772 45 1.201 30.5 £8.20PDF Step
M25 441 200 0.426 0.193 1" 25 1.496 38 - - 0.512 13 - - 0.236 6 1.811 46 1.201 30.5 £9.73PDF Step
M30 772 350 0.794 0.36 1 3/16" 30 1.772 45 1.823 - 1.839 46.3 - 46.7 0.543 13.8 0.552 14.01 0.228 5.8 2.165 55 1.449 36.8 £10.60PDF Step
M45 1323 600 2.227 1.01 1 3/4" 45 2.441 62 2.480 - 2.500 63 - 63.5 0.748 19 0.760 19.3 0.354 9 2.953 75 2.106 53.5 £26.26PDF Step
M60 3308 1500 8.181 3.71 2 3/8" 60 3.937 100 - - 1.181 30 - - 0.591 15 4.606 117 3.051 77.5 £119.17PDF Step
M12A 44 20 0.084 0.038 1/2" 12 0.866 22 - - 0.315 8 - - 0.126 3.2 1.063 27 0.657 16.7 £4.92PDF Step
M14A 110 50 0.117 0.053 5/8" 15 0.945 24 0.984 - 1.005 26 - 25.5 0.319 8.1 0.331 8.4 0.197 5 1.181 30 0.787 20 £8.99PDF Step
M15A 110 50 0.130 0.059 5/8" 15 0.945 24 0.984 - 1.009 30 - 25.5 0.374 9.5 0.386 9.8 0.157 4 1.220 31 0.827 21 £7.95PDF Step
M22A 397 180 0.415 0.188 7/8" 22 1.417 36 1.457 - 1.466 38 - 37.2 0.386 9.8 0.398 10.1 0.150 3.8 1.772 45 1.201 30.5 £9.62PDF Step
M25A 309 140 0.423 0.192 1" 25 1.496 38 - - 0.512 13 - - 0.236 6 1.811 46 1.201 30.5 £11.30PDF Step
M30A 772 350 0.787 0.357 1 3/16" 30 1.772 45 1.823 - 1.840 46.3 - 46.8 0.543 13.8 0.552 14.01 0.228 5.8 2.165 55 1.449 36.8 £12.01PDF Step
M45A 1323 600 2.205 1 1 3/4" 45 2.441 62 2.480 - 2.500 64 - 63.5 0.748 19 0.760 19.3 0.354 9 2.953 75 2.106 53.5 £33.12PDF Step
M60A 2426 1100 8.423 3.82 2 3/8" 60 3.937 100 - - 1.181 30 - - 0.591 15 4.606 117 3.051 77.5 £129.79PDF Step
M12D 11 5 0.068 0.031 1/2" 12 0.866 22 - - 0.315 8 - - 0.126 3.2 1.063 27 0.657 16.7 £5.36PDF Step
M14D 22 10 0.086 0.039 5/8" 15 0.945 24 0.984 - 1.006 27 - 25.5 0.319 8.1 0.331 8.4 0.197 5 1.181 30 0.787 20 £9.42PDF Step
M15D 22 10 0.097 0.044 5/8" 15 0.945 24 0.984 - 1.010 31 - 25.5 0.374 9.5 0.386 9.8 0.157 4 1.220 31 0.827 21 £7.06PDF Step
M22D 44 20 0.331 0.15 7/8" 22 1.417 36 1.457 - 1.467 39 - 37.2 0.386 9.8 0.398 10.1 0.150 3.8 1.772 45 1.201 30.5 £11.59PDF Step
M25D 55 25 0.302 0.137 1" 25 1.496 38 - - 0.512 13 - - 0.236 6 1.811 46 1.201 30.5 £10.77PDF Step
M30D 55 25 0.611 0.277 1 3/16" 30 1.772 45 1.823 - 1.841 46.3 - 46.9 0.543 13.8 0.552 14.01 0.228 5.8 2.165 55 1.449 36.8 £32.73PDF Step
M45D 55 25 1.566 0.71 1 3/4" 45 2.441 62 2.480 - 2.500 65 - 63.5 0.748 19 0.760 19.3 0.354 9 2.953 75 2.106 53.5 £52.65PDF Step
M60D


Available in Standard, A and SS only


Available in Standard, A and SS only

2 3/8" 60 3.937 100 - - 1.181 30 - - 0.591 15 4.606 117 3.051 77.5 -
M12SS 44 20 0.084 0.038 1/2" 12 0.866 22 - - 0.315 8 - - 0.126 3.2 1.063 27 0.657 16.7 £7.60PDF Step
M14SS 110 50 0.112 0.051 5/8" 15 0.945 24 0.984 - 1.007 28 - 25.5 0.319 8.1 0.331 8.4 0.197 5 1.181 30 0.787 20 £16.06PDF Step
M15SS 110 50 0.128 0.058 5/8" 15 0.945 24 0.984 - 1.011 32 - 25.5 0.374 9.5 0.386 9.8 0.157 4 1.220 31 0.827 21 £10.60PDF Step
M22SS 278 126 0.415 0.188 7/8" 22 1.417 36 1.457 - 1.468 40 - 37.2 0.386 9.8 0.398 10.1 0.150 3.8 1.772 45 1.201 30.5 £24.83PDF Step
M25SS Inquire Inquire Inquire Inquire 1" 25 1.496 38 - - 0.512 13 - - 0.236 6 1.811 46 1.201 30.5 -PDF Step
M30SS 485 220 0.787 0.357 1 3/16" 30 1.772 45 1.823 - 1.842 46.3 - 46.10 0.543 13.8 0.552 14.01 0.228 5.8 2.165 55 1.449 36.8 £29.86PDF Step
M45SS 772 350 2.249 1.02 1 3/4" 45 2.441 62 2.480 - 2.500 66 - 63.5 0.748 19 0.760 19.3 0.354 9 2.953 75 2.106 53.5 £85.19PDF Step
M60SS Inquire Inquire Inquire Inquire 2 3/8" 60 3.937 100 - - 1.181 30 - - 0.591 15 4.606 117 3.051 77.5 -PDF Step

The M series push fit medium duty ball transfer units are machined from a solid steel & case hardened for wear resistance. Reinforced machined steel top cap protect against impact from misalignment of the conveyed item. Lubricated for life & zinc plated for resistance to corrosion.

Standard materials; Body & cap AISI 1015, Balls AISI 52100. Stainless steel upgrade ‘A’ & ‘SS’ feature AISI420 balls Shock Resistance & body.

Main ball sizes ≥19mm incorporate a felt seal to restrict contamination.
This series features a single drain hole. Machined from solid bar – Top flange.

Low Friction Low Friction
1 : 0,02
Speed Speed
1.5m/sec
Temperature Temperature
-30/+100ºC
Shock Resistence Shock Resistence
Orientation Horizontal / Up

Orientation Horizontal / Up


K & C Type Clips

  • Fixing clips compensate for irregularities in bore and diameter.
  • Ideal where only single-sided access of mounting surface is reachable.
Medium Duty Part BORE Ø MIN - MAX A£ fromFile icon FilesAdd to Cart
M12 K12 0.905 - 0.925 23.0 - 23.5 0.866 22 £0.76
M14 | M15 K15 0.984 - 1.004 25.0 - 25.5 0.945 24 £0.67
M14 | M15 C15 0.976 – 0.984 24.8 - 25.0 0.945 24 £0.91
M22 K22 1.457 - 1.476 37.0 - 37.5 1.417 36 £0.78
M22 C22 1.457 - 1.465 37.0 - 37.2 1.417 36 £1.05
M30 K30 1.811 - 1.831 46.0 - 46.5 1.772 45 £1.09
M30 C30 1.823 - 1.839 46.3 - 46.7 1.772 45 £1.42
M45 K45 2.480 - 2.500 63.0 - 63.5 2.441 62 £1.53
Optimal Retantion ≥ 3mm
optimal retention clips
  1. Fit clip to mounting bore.
  2. Push ball unit though clip.
  3. Peripheral tags expand & grip the ball unit.
clip diagram
K-clip Spring Steel
clip diagram
C-clip Spring Steel
clip diagram
Other clips available.

Tolerance Rings

  • Compensate for irregularities in bore & diameter.
  • Ideal where only single-sided access of mounting surface is reachable.
Medium Duty Part A Bore Ø MIN / MAX B£ fromFile icon FilesAdd to Cart
M12 TR20 0.787 20 0.858 - 0.868 21.80 - 22.05 0.472 12 £0.54
M14 | M15 TR24 0.945 24 1.010 - 1.020 25.65 - 25.90 0.591 15 £0.60
M22 TR36 1.417 36 1.488 - 1.496 37.80 - 38.00 0.472 12 £1.16
M30 TR45 1.772 45 1.843 - 1.850 46.80 - 47.00 0.591 15 £1.17
TR60 2.362 60 2.445 - 2.453 62.10 - 62.30 0.787 20 £1.21
M60 TR100 3.937 100 4.085 - 4.096 103.75 - 104.05 0.787 20 £1.62
transfer ball unit tolerance ring

Similar Heavy Duty models:

  • Maximum capacity at any angles of orientation.
  • Heavy duty precision machined construction.
  • “Endless track” design – smoothest precision.
  • Service kits & factory spares since 1954.
2 year warranty logo
Subject to usage & conditions.

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