How to find the parts you need
① Click a link to view parts list below or download the spec sheet.
MODELSSLIDE & CONNECTION
POWER OPERATED SLIDE ADJUSTMENT
PLAIN PRESS DRIVE (All Models)
GEARED PRESS (Up to M-90)
GEARED PRESS DEIVE (M-110 & M-150)
AIR FRICTION CLUTCH-TYPE LI-E
AIR FRICTION CLUTCH-TYPE LI-P
AIR RELEASING BRAKE (M-22 to M-75)
AIR RELEASING BRAKE (M-90-UP)
AIR OPERATED FLYWHEEL BRAKE (when furnished)
AIR RELEASING DISC BRAKE
AIR COUNTERBALANCE AND TANK (when furnished)
AIR COUNTERBALANCE, SELF CONTAINED (when furnished)
'C' TYPE CUSHION (when furnished)
② Once you know which parts you want to order, request a parts quote.
MODELS
All Models | Inclinable Models Only | |||
1 | Lifting Eye Bolts | 13 | Frame | |
2 | Cap Screw | 14 | Leg | |
3 | Bearing Cap | 14A | Leg Pivot | |
4 | Gib Adjusting Screw | 15 | Tie Rod | |
5 | Gib Adjusting Nut | 16 | Tie Rod Nut | |
6 | Bolster Plate | 17 | Rear Leg Stud | |
7 | Counterbalanace (optional) (See separate Parts List) | 17A | Locking Collar | |
8 | Drive Assembly (See separate Parts List) | 17B | Nut | |
9 | Connection (See separate Parts List) | |||
10 | Slide (See separate Parts List) | Inclinable Options | ||
11 | Front Frame Cover | 18 | Inclining Bracket | |
12 | Connection Cover | 19 | Bracket Stud | |
20 | Nut | |||
Adjustable Bed Models Only | 21 | Inclining Screw Pin | ||
30 | Frame | 22 | Retainer Ring | |
31 | Table | 23 | Inclining Screw | |
32 | Adjusting Screw | 24 | Inclining Screw Nut | |
33 | Jam Nut | 25 | Thrust Bearing | |
34 | Clamp Screw | 26 | Adjusting Motor | |
35 | Clamp Bar | 27 | Worm Gear Jack | Power |
36 | Clamp Nut | 28 | Valve Bracket | Only |
29 | Hand Operated Valve |
SLIDE & CONNECTION

1 | Nut | Manually Adjusted Connection Only | |||
2 | Breech Block Stud | 23 | Nut | ||
3 | Breech Block | 24 | Connection Cap Stud | ||
4 | Slide (Ram) | 25 | Connection Bushing | ||
5 | Cotter Pin | 26 | Connection Cap | sold as unit | |
6 | Knockout Bar | 27 | Connection | ||
7 | Clamp Nut | 28 | Clamp Plug Nut | ||
8 | Knockout Clamp | 29 | Clamp Plug Stud | Sold as unit-not machined. | |
9 | Knockout Pin | 30 | Clamp Plug | ||
10 | Bracket Mounting Screw | 31 | Slide Indicator Scale | ||
11 | Knockout Bracket | 32 | Slide Indicator Gage | ||
12 | Gib | 33 | Cap Screw | ||
13 | Air Releasing Brake (See separate Parts List | 34 | Conneciton Ball Cap | ||
14 | L.S. Chain Guard | 35 | Cap Shim | ||
15 | Retainer Ring | 36 | Connection Ball Screw | ||
16 | L.S. Chain | ||||
17 | Crankshaft Sprocket | ||||
18 | L.S. Sprocket | ||||
19 | L.S. Mounting Screw | ||||
20 | Rotary Limit Switch | ||||
21 | L.S. Bracket | ||||
21A | Adjusting Stud | ||||
21B | Adjusting Nuts | ||||
21C | Locknut | ||||
22 | Crankshaft (See separate Parts List) |
POWER OPERATED SLIDE ADJUSTMENT
1 | Cylinder Nut | 26 | Sprocket Key | ||
2 | Air Cylinder | 27 | Air Motor (Reversing-Direct Control) | ||
3 | Nut | 28 | Sprocket | ||
4 | Washer | 29 | Driving Chain | ||
5 | Brake Spring | 30 | Counter Chain | ||
6 | Brake Spring Bolt | 31 | Counter Sprocket | ||
7 | Connector | 32 | Counter | ||
8 | Connecting Link | 33 | Counter Bracket | ||
9 | Brake Strap | 34 | Cap Screw | ||
10 | Brake Mounting Screw | 35 | Ball Screw Cap | ||
11 | Brake Collar | 36 | Connetion Ball Screw | ||
12 | Retainer Ring | 37 | Ball Screw Pin | ||
13 | Retainer Ring | 38 | Retainer Fastening Screw | ||
14 | Bearing Retainer | 39 | Worm Gear Retainer | ||
15 | Bearing | 40 | Retainer Shim | ||
16 | Brake Collar Key | 41 | Worm Gear | ||
17 | Sprocket Key | 42 | Plate Fastening Screw | ||
18 | Sprocket Key | 43 | Stop Plate | ||
19 | Adjusting Worm Shaft | 44 | Set Screw | ||
20 | Retainer Ring | 45 | Connction | Sold as | |
21 | Sprocket | 46 | Connection Cap | unit | |
22 | Retainer Ring | 47 | Nut | ||
23 | Sprocket | 48 | Connection Stud | ||
24 | Retainer Ring | 49 | Connection Bushing | ||
25 | Chain Guard |
POWER OPERATED SLIDE ADJUSTMENT
POWER OPERATED SLIDE ADJUSTMENT (OPTIONAL, M-75 up) | ||||
Sold as unit | 1 | Connection | 25 | Retainer Ring |
2 | Connection Cap | 26 | Motor Sprocket | |
3 | Cap Stud and Nut | 27 | Drive Chain | |
4 | Worm Gear | 28 | Sprocket | |
5 | Worm Gear Retainer | 29 | Brake Collar | |
6 | Retainer Screws | 30 | Connecting Link | |
7 | Ball Connection Screws | 31 | Brake Pin Screw | |
8 | Ball Screw Pin | 32 | Air Cylinder Nut | |
9 | Slide Adjustment Worm Shaft | 33 | Brake Mounting Screw | |
10 | Motor Key | 34 | Brake Straps | |
11 | Motor Bracket | 35 | Brake Spring | |
12 | Motor Straps | 36 | Air Cylinder | |
13 | Air Motor | 37 | Spring Washer | |
14 | Motor Stap Nuts | 38 | Spring Adjusting Nuts | |
15 | Bearing | 39 | Cover Plate Screws | |
16 | Bearing Retainers | 40 | Cover Plate | |
17 | Sprocket | 41 | Chain Guard Screw | |
18 | Counter Chain | 42 | Chain Guard | |
19 | Counter Bracket | 43 | Shuttle Valve | |
20 | Counter | 44 | Dual Solenoid Valve | |
21 | Counter Sprocket | 45 | Muffler | |
22 | Counter Chain Guard | 46 | Air Line Lubricator (Not shown) | |
23 | Retainer Ring | 47 | Positive Stop Plate | |
24 | Worm Key |
PLAIN PRESS DRIVE (All Models)
1 | Guard Fastening Screw | 15 | Plate Mounting Screw |
2 | Flywheel Guard | 16 | Driving Hub Retainer Plate |
3 | Plate Mounting Screw | 17 | Driving Hub |
4 | Guard Plate | 18 | Grease Retainer (M 36 only) |
5 | Rotation Sight Window | 19 | Flywheel Bearing |
6 | Driving Belt | 20 | Flywheel |
7 | Motor Key | 21 | Bearing Spacer |
8 | Sheave | 22 | Flywheel Bearing |
9 | Motor Mounting Screw | 23 | Flywheel Brake (optional) |
10 | Main Motor | 24 | R.H. Split Bushing |
11 | Base Mounting Screw | 25 | L.H. Bushing |
12 | Adjustable Motor Base | 26 | Brake Collar Key |
13 | Clutch Mounting Screw | 27 | Crankshaft |
14 | Air Friction Clutch (See separate Parts List) | 28 | Brake Collar |
29 | Air Releasing Brake (See separate Parts List) |
GEARED PRESS (Up to M-90)
1 | Guard Mounting Screw | 27 | Retainer Ring |
2 | Flywheel Guard | 28 | Driveshaft |
3 | Base Mounting Screw | 29 | Gear Guard Mounting Screw |
4 | Adjustable Motor Base | 30 | Gear Guard |
5 | Motor Mounting Screw | 31 | Oil Sight Window |
6 | Main Motor | 32 | Guard Gasket |
7 | Sheave | 33 | Plate Mounting Screw |
8 | Motor Key | 34 | Gear Guard Plate |
9 | Driving Belt | 35 | Clutch Mounting Screw |
10 | Washer Mounting Screw | 36 | Air Friction Clutch (See separate Parts List) |
11 | Flywheel Key | 37 | Plate Mounting Screw |
12 | Clamp Washer | 38 | Driving Hub Retainer Plate |
13 | Flywheel | 39 | Driving Hub |
14 | Flywheel Brake (optional) (See separate Parts List) | 40 | Gearwheel Bearing |
15 | L.H. Bearing Spacer | 41 | Gearwheel |
16 | Retainer Ring (not on M-22) | 42 | Bearing Spacer |
17 | L.H. Bearing | 43 | Gearwheel Bearing |
18 | L.H. Bearing Bracket (not on M-22) | 44 | Seal |
19 | Tube Mounting Screw (M-22 only) | 45 | R.H. Split Bushing |
20 | Frame Mounting Screw | 46 | Crankshaft |
21 | Tube Mounting Collar (M-22 only) | 47 | Brake Collar Key |
22 | Drive Shaft Tube (M-22 only) | 48 | L.H. Bushing |
23 | "O" Ring (M-22 only) | 49 | Brake Collar |
24 | R.H. Bearing Bracket (not on M-22) | 50 | Air Releasing Brake (See separate Parts List) |
25 | Retainer Ring | 51 | Gasket |
26 | R.H. Bearing | 52 | Oil Slinger (M-22 only) |
GEARED PRESS DEIVE (M-110 & M-150)
1 | Belt Guard Screw | 24 | L.H. Bearing Bracket |
2 | Belt Guard | 25 | Brake Stop Mounting Screw |
3 | Driving Belt | 26 | Brake Stop & Adjusting Screw |
4 | Motor Mounting Screw | 27 | Brake Mounting Screw |
5 | Main Motor | 28 | Air Releasing Brake (See separate Parts List) |
6 | Driving Sheave | 29 | Brake Collar |
7 | Motor Key | 30 | R.H. Bearing Bracket |
8 | Pivot Pin | 31 | R.H Bearing |
9 | Motor Plate | 32 | Retainer Ring |
10 | Adjusting Screw | 33 | Driving Hub Key |
11 | Motor Bracket | 34 | Brake Collar Key |
12 | Friction Clutch (See separate Parts List) | 35 | Drive Shaft |
13 | Retainer Ring | 36 | Oil Sight Window |
14 | Driving Hub | 37 | Gear Guard Screw |
15 | Flywheel Bearing | 38 | Gear Guard |
16 | Flywheel | 39 | Gasket |
17 | Flywheel Brake (optional) (See separate Parts List) | 40 | Plate Screw |
18 | Spacer | 41 | Gear Guard Plate |
19 | Flywheel Bearing | 42 | Main Gear Key |
20 | L.H. Bearing Spacer | 43 | Main Gear |
21 | Retainer Ring | 44 | R.H. Split Bushing |
22 | L.H. Bearing | 45 | L.H. Bushing |
23 | Mounting Screw | 46 | Crank Shaft |


AIR FRICTION CLUTCH-TYPE LI-P

AIR FRICTION CLUTCH-TYPE LI-P | TORQUE VALUES BY FRICTION DISC DIAMETER | |||
(Geared presses M-110 & M-150) | 8" | 25-30 ft/lbs | ||
1 | Driveshaft | 10" | 30-35 ft/lbs | |
2 | Driving Hub | 11" | 35-40 ft/lbs | |
3 | Key | 13" | 45-50 ft/lbs | |
4 | Retainer Ring | 17" | 70-80 ft/lbs | |
5 | Clutch Housing | 18" | 70-80 ft/lbs | |
6 | Clutch Cylinder | 21" | 90-100 ft/lbs | |
7 | Clutch Piston | 25" | 110-120 ft/lbs | |
8 | Piston Wiper | 30" | 190-200 ft/lbs | |
9 | Piston "O" Ring | 35" | 220-230 ft/lbs | |
10 | Rotary Air Seal Adapter | |||
11 | Adapter "O" Ring | |||
12 | Rotary Air Seal | |||
13 | Pressure Plate | |||
14 | Inner Pressure Plate | |||
15 | Pressure Plate Guides & Nut | |||
16 | Friction Disc | |||
17 | Spreader Spring | |||
18 | Spring Guide | |||
19 | Guide Collar |
AIR RELEASING BRAKE (M-22 to M-75)

340 | Arm |
341 | Snap Ring |
342 | Pin |
343 | Rod End |
344 | Locknut |
345 | Retaining Ring |
346 | Spring Retainer Plate |
347 | Oilite Bushing |
348 | Spring |
349 | Piston |
350 | "U" Packing |
351 | Cylinder |
352 | Shoe |
353 | Brake Lining |
354 | Bracket |
AIR RELEASING BRAKE (M-90-UP)

1 | Retaining Ring |
2 | Pin |
3 | Arm* |
4 | Shoe* |
5 | Brake Lining |
6 | Bracket* |
7 | Adjusting Nut |
7A | Locknut |
8 | Trunnion |
9 | Stud |
10 | Retainer Ring |
11 | Spring Retainer Plate |
12 | Bushing |
13 | Inner Spring |
13A | Outer Spring |
14 | Piston |
15 | "U" Packing |
16 | Cylinder* |
*With Bushings |
AIR OPERATED FLYWHEEL BRAKE (when furnished)

1 | Key Dowel Pin |
2 | Guide Key |
3 | Mounting Screw |
4 | Rivet |
5 | Brake Lining |
6 | Dowel Pin |
7 | Brake Shoe |
8 | Spring |
9 | "O" Ring |
10 | Piston |
11 | Cylinder Cover |
12 | Cylinder |
13 | Cylinder Mounting Screw |
14 | Cover Mounting Screw |
AIR RELEASING DISC BRAKE

AIR RELEASING DISC BRAKE | TORQUE VALUES BY FRICTION DISC DIAMETER | ||
1 | Piston Screw (Remove to replace seal and rings.) | 8" | 25-30 ft/lbs |
2 | Piston | 10" | 30-35 ft/lbs |
3 | Piston Dust Seal | 11" | 35-40 ft/lbs |
4 | Piston Ring (outer) | 13" | 45-50 ft/lbs |
5 | Piston Ring (inner) | 17" | 70-80- ft/lbs |
*6 | Cylinder Stud Nut (Remove to replace linings.) | 18" | 70-80 ft/lbs |
7 | Cylinder | 21" | 90-100 ft/lbs |
8 | Spring | 25" | 110-120 ft/lbs |
9 | Pressure Plate | 30" | 190-200 ft/lbs |
10 | Brake Disc (quantity may vary) | 35" | 220-230 ft/lbs |
11 | Brake Lining (quantity may vary) | ||
12 | Center Plate (not used with single disc) | ||
13 | Brake Ring Mounting Screw | ||
14 | Brake Ring | ||
15 | Brake Stud Pin | ||
16 | Brake Stud | ||
17 | Brake Hub | ||
18 | Lining Rivet (not shown) | ||
*Refer to Table for recommended torque value. |
AIR COUNTERBALANCE AND TANK (when furnished)

1 | Cylinder Cap | 15 | Bushing |
2 | Cylinder | 16 | Packing Gland |
3 | Stud | 17 | Clevis |
4 | Seal | 18 | Retaining Ring |
5 | Mounting Plate | 19 | Clevis Pin |
6 | Stud Nut | 20 | Piping |
7 | Piston Rod Nut | 21 | Air Tank |
8 | Piston | 22 | Tank Bracket |
9 | Tie Rod | 23 | Petcock |
10 | Piston Rod | 24 | Air Line |
11 | Piston Seal | 25 | Safety Valve |
12 | Lower Cylinder Cover | 26 | Bushing |
13 | Tie Rod Nut | 27 | Tank Rod |
14 | Seal | 28 | Fusible Plug |
AIR COUNTERBALANCE, SELF CONTAINED (when furnished)

1 | Safety Valve |
2 | Fusible Plug |
3 | Acorn Nut |
4 | Seal Washer |
5 | Tie Rod |
6 | Cylinder Cover |
7 | Upper Gasket |
8 | Counterbalance Outer Cylinder |
9 | Counterbalance Cylinder |
10 | Lower Gasket |
11 | Counterbalance Rod Nut |
12 | Piston |
13 | "U" Packing |
14 | Counterbalance Rod |
15 | Lower Cylinder Cap |
16 | Pipe Nipple |
17 | Pipe Coupling |
18 | "U" Packing |
19 | Bushing |
20 | Bushing Retainer |
21 | Bushing Retainer Screw |
‘C’ TYPE CUSHION (when furnished)
WARNING-NEVER APPLY MORE THAN 5 PSI ON CUSHION WITH BOLSTER OFF PRESS OR WITH CUSHION OUT OF PRESS.

1 | Air Piping (Furnished by Customer) |
2 | Mounting Plate |
3 | Lubrication Piping |
4 | Oil Fitting |
5 | Cylinder Mounting Screw |
6 | Cylinder |
7 | "U" Packing (Split for illustration purposes only) |
8 | Piston |
9 | Pressure Plate |
10 | Pressure Plate Mounting Screw |
11 | Stop Nut |
12 | Roll Pin |
13 | Lubrication Pipe Clip and Screw |
14 | Positive Stop Stud |
Why use genuine Niagara parts?
① Good and Services Warranty
Purchase press parts with confidence from BCN Technical Services. We guarantee at the time of delivery, the goods will be free from defects in materials and workmanship. We will perform services in a prompt, professional and workmanlike manner. View our Goods and Services Warranty for details.
② Original OEM Specifications
Replacement parts are manufactured to original OEM specifications from record sets maintained by serial number, so there’s no guessing or wondering if a part will fit. We have original drawings, manufacturing expertise, and the experience of a team of engineers who know your press inside and out.
③ Delivery
BCN Technical Services has an extensive inventory of the most requested OEM replacement parts in stock at our facility in Hastings, MI. Over 14,000 unique spare parts for presses are kept on hand. Our experienced staff is dedicated to quickly providing that critical part, which allows you to avoid delayed repairs, lost productivity and lost revenue.
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Hours of Operation
Monday–Friday:
8 a.m.–5 p.m.
Saturday–Sunday:
Closed
BCN Technical Services, Inc.
1004 E State St Hastings, MI 49058
269-948-3300
info@bcntechserv.com