How to find the parts you need
② Once you know which parts you want to order, request a parts quote.
FRAME
All Models | |
---|---|
1 | Lifting Eye Bolts |
2 | Cap Screw |
3 | Bearing Cap |
4 | Gib Adjusting Screw |
5 | Gib Adjusting Nut |
6 | Bolster Plate |
7 | Counterbalance (optional) (See Separate Parts List) |
8 | Drive Assembly (See Separate Parts List) |
9 | Connection (See Separate Parts List |
10 | Slide (See Separate Parts List) |
11 | Front Frame Cover (up to A-60) |
11A | Clutch Cover |
Inclinable Models Only | Adjustable Bed Models Only | Inclinable Options | |||
---|---|---|---|---|---|
13 | Frame (Cast Iron on A-15) | 30 | Frame | 18 | Inclining Bracket |
14 | Leg | 31 | Table | 19 | Bracket Stud |
14A | Leg Pivot | 32 | Adjusting Screw | 20 | Nut |
15 | Tie Rod | 33 | Jam Nut | 21 | Inclining Screw Pin |
16 | Tie Rod Nut | 34 | Clamp Screw | 22 | Retainer Ring |
17 | Rear Leg Stud | 35 | Clamp Bar | 23 | Inclining Screw |
17A | Locking Collar | 36 | Clamp Nut | 24 | Inclining Screw Nut |
17B | Nut | 25 | Thrust Bearing | ||
26 | Adjusting Motor | ||||
27 | Worm Gear Jack | ||||
28 | Valve Bracket | ||||
29 | Hand Operated Valve |

Slide and Manually Adjusted 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 with connection) |
6 | Knock-out Bar | 27 | Connection |
7 | Clamp Nut | 27A | Connection |
8 | Knock-out Clamp | 28 | Clamp Plug Nut |
9 | Knock-out Pin | 29 | Clamp Plug Stud |
10 | Bracket Mounting Screw | 30 | Clamp Plug (sold with connection) |
11 | Knock-out Bracket | 31 | Slide Indicator Scale |
12 | Gib | 32 | Slide Indicator Gage |
13 | Brake (See Drive Parts List) | 33 | Cap Screw |
22 | Crankshaft (See Separate Parts List) | 34 | Connection Ball Cap |
35 | Cap Shim | ||
36 | Connection Ball Screw | ||
37 | Clamping Stud | ||
38 | Clamping Nut |
Power Operated Slide Adjustment (some models)
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 | Coutner 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 | Connection 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 | Connection |
21 | Sprocket | 46 | Connection Cap |
22 | Retainer Ring | 47 | Nut |
23 | Sprocket | 48 | Connection Stud |
24 | Retainer Ring | 49 | Connection Bushing |
25 | Chain Guard |

Power Operated Slide Adjustment (some models)
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 | Bail 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 | Bearings | 39 | Cover Plate Screws |
16 | Bearing Retainer | 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
1 | Brake Locknut | 36 | Flywheel Guard | |
2 | Brake Adjusting Nut | 37 | Guard Mounting Screw | |
3 | Brake Spring | 38 | Flywheel Brake (Optional) | |
4 | Brake Spring Stud | 39 | Driving Belt | |
5 | Brake Mounting Nuts | 40 | Motor Key | |
6 | Brake Strap Mounting Stud | 41 | Sheave | |
7 | Brake Collar | 42 | Main Motor | |
8 | Drag Brake Strap | 43 | Motor Mounting Screw | |
18 | L.H. Bushing | 44 | Adjustable Motor Base | |
19 | Brake Collar Key | 45 | Base Mounting Screw | |
20 | Crankshaft | 46 | Motor Mounting Plate | |
21 | R.H. Split Bushing | 47 | Rotation Sight Window | |
22 | Clutch Cam | 48 | Bracket Mounting Screw | |
23 | Clutch Spring | 49 | Plate Mounting Bracket | |
24 | Clutch Sleeve | |||
25 | Clutch Ring Mounting Bolt | Air Releasing Strap Brake Only | ||
26 | Clutch Ring | 9 | Brake Strap | |
27 | Latch Bracket (See Separate Parts List) | 10 | Air Fitting | |
28 | Inner Flywheel Bearing | 11 | Cylinder Cover Screw | |
29 | Flywheel | 12 | Cylinder Cover | |
30 | Spacing Collar | 13 | Cylinder Gasket | |
31 | Outer Flywheel Bearing | 14 | Piston | |
32 | Lock washer | 15 | "O" Ring | |
33 | Lock nut | 16 | Locknut | |
34 | Guard Plate | 17 | Adjusting Screw | |
35 | Plate Mounting Screw |

Geared Press Drive
1 | Brake Locknut | 45 | Guard Mounting Screw |
2 | Brake Adjusting Nut | 46 | Flywheel Guard |
3 | Brake Spring | 47 | Washer Mounting Screw |
4 | Brake Spring Stud | 48 | Clamp Washer |
5 | Brake Mounting Nuts | 49 | Flywheel Key |
6 | Brake Strap Mounting Stud | 50 | Flywheel |
7 | Brake Collar | 51 | Flywheel Brake (Optional) |
8 | Drag Brake Strap | 52 | L.H. Bearing Spacer |
18 | L.H. Bushing | 53 | Reatiner Ring (not on A-22) |
19 | Brake Collar Key | 54 | L.H. Bearing |
20 | Crankshaft | 55 | Frame Mounting Screw (not on A-22) |
21 | R.H. Split Bushing | 56 | L.H. Bearing Bracket (not on A-22) |
22 | Clutch Cam | 57 | Tube Mounting Screw (A-22 only) |
23 | Clutch Spring | 58 | Tube Mounting Collar (A-22 only) |
24 | Clutch Sleeve | 59 | Drive Shaft Tube (A-22 only) |
25 | Clutch Ring Mounting Bolt | 60 | R.H. Bearing Bracket (not on A-22) |
26 | Clutch Ring | 61 | Retainer Ring |
27 | Latch Bracket (See Separate Parts List) | 62 | R.H. Bearing |
28 | Inner Bearing | 63 | Retainer Ring |
29 | Gear | 64 | Drive Shaft |
30 | Spacing Collar | 65 | Bracket Mounting Screw (not on A-22) |
31 | Outer Bearing | ||
32 | Lockwasher | Air Releasing Stap Brake Only | |
33 | Locknut | 9 | Brake Strap |
34 | Gear Guard Plate | 10 | Air Fitting |
35 | Plate Mounting Screw | 11 | Cylinder Cover Screw |
36 | Gear Guard | 12 | Cylinder Cover |
37 | Guard Mounting Screw | 13 | Cylinder Gasket |
38 | Base Mounting Screw | 14 | Piston |
39 | Adjustable Motor Base | 15 | "O" Ring |
40 | Motor Mounting Screw | 16 | Locknut |
41 | Main Motor | 17 | Adjusting Screw |
42 | Sheave | ||
43 | Motor Key | ||
44 | Driving Belt |

Geared Press Drive (A-75 & Larger)
1 | Brake Locknut | 50 | Flywheel |
2 | Brake Adjusting Nut | 51 | Flywheeel Brake (Optional) |
3 | Brake Spring | 66 | Motor Mounting Screw |
4 | Brake Spring Stud | 67 | Main Motor |
5 | Brake Mounting Nuts | 68 | Base Mounting Screw |
6 | Brake Strap Mounting Stud | 69 | Adjustable Motor Base |
7 | Brake Collar | 70 | Bracket Screw |
8 | Drag Brake Strap | 71 | Motor Mounting Bracket |
18 | L.H. Bushing | 72 | Cover Screw |
19 | Brake Collar Key | 73 | L.H.Bearing Cover |
20 | Crankshaft | 74 | L.H. Bearing |
21 | R.H. Split Bushing | 75 | Driveshaft Tube |
22 | Clutch Cam | 76 | Locknut |
23 | Clutch Spring | 77 | Lockwasher |
24 | Clutch Sleeve | 78 | R.H. Bearing |
25 | Clutch Ring Mounting Bolt | 79 | Bearing Spacer |
26 | Clutch Ring | 80 | R.H. Bearing Cover |
27 | Latch Bracket (See separate Parts List) | 81 | Cover Mounting Screw |
28 | Inner Bearing | 82 | Driveshaft and Pinion |
29 | Gear | 83 | Pinion (Alone) |
30 | Spacing Collar | 84 | Plate Mounting Screw |
31 | Outer Bearing | 85 | Guard Backplate |
32 | Lockwasher | 86 | Flywheel Guard |
33 | Locknut | ||
34 | Gear Guard Plate | Air Releasing Strap Brake Only | |
35 | Plate Mounting Screw | 9 | Brake Strap |
36 | Gear Guard | 10 | Air Fitting |
37 | Guard Mounting Screw | 11 | Cylinder Cover Screw |
42 | Sheave | 12 | Cylinder Cover |
43 | Motor Key | 13 | Cylinder Gasket |
44 | Driving Bolt | 14 | Piston |
45 | Guard Mounting Screw | 15 | "O" Ring |
47 | Washer Moutning Screw | 16 | Locknut |
48 | Clamp Washer | 17 | Adjusting Screw |
49 | Flywheel Key |

Latch Bracket Assembly
102 | Cam Roller Shaft | 138 | Cam Roller |
103 | Cam Lever | 140 | End Collar Roll Pin |
104 | Cam Lever Pin | 141 | Housing Cover Fastening Screw |
105 | Selector Knob Spring | 142 | Washer |
106 | Selector Knob | 143 | Cam Lever Roll Pin |
107 | Throwout Spring | 144 | Cam Lever Pin Nut |
108 | Throwout Pin | 145 | Lockwasher |
109 | Latch Pin | 146 | Cam Roller Shaft Nut |
111 | Latch | 147 | Lockwasher |
112 | Throwout Key | 148 | Latch Pin Cotter Pins |
113 | Throwout | ||
114 | Throwout Ball Bearing | Pneumatic Latch Bracket Only | |
115 | Throwout Needle Bearing | 1 | Air Fitting |
116 | Selector Knob Pin | 2 | Cover Mounting Screw |
117 | Siding Pin | 3 | Cylinder Cover |
118 | Throwout Shaft | 4 | Cylinder Gasket |
119 | Throwout Housing Cover | 5 | Piston |
121 | Spacing Collar | 6 | "O" Ring |
122 | Lock Nut | 134A | Air Trip Cylinder (Special Throwout Housing) |
123 | Latch Spring Pin | ||
124 | Bell Crank Pin | Treadle Operated Only | |
125 | Bell Crank | 18 | Cotter Pin |
126 | Latch Spring | 19 | Washer |
127 | Lock Washer | 20 | Treadle Stud |
128 | Throwout Shaft Collar | 21 | Foot Treadle |
129 | Treadle Spring Plunger | 22 | Treadle Rod |
130 | Treadle Spring | 23 | Set Screw |
131 | Locking Bar Indicator | 24 | Treadle Rod Pin |
132 | Locking Bar Pin | ||
134 | Throwout Housing | ||
135 | Locking Bar | ||
136 | Locking Bar Spring | ||
137 | Locking Bar End Collar | ||
*See paragraph "Checking Single Stroke Back-up Device" page 14. |
Flywheel Brake


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 Moutning Screw |
WARNING | |
---|---|
NEVER APPLY MORE THAN 5 PSI ON CUSHION WITH BOLSTER OFF PRESS OR WITH CUSHION OUT OF PRESS. | |
"C" TYPE CUSHION (when furnished) | |
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 Pate |
10 | Pressure Plate Mounting Screw |
11 | Stop Nut |
12 | Roll Pin |
13 | Lubrication Pipe Clip and Screw |
14 | Positive Stop Stud |
AIR COUNTERBALANCE

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 | Pip Nipple |
17 | Pipe Coupling |
18 | "U" Packing |
19 | Bushing |
20 | Bushing Retainer |
21 | Bushing Retainer Screw |
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