Customer Service: (269) 948-3300Field Service: (269) 948-5867
Due to taking inventory, no parts are shipping on 12/4/20. Contact Us with questions.

Series A – FORM A-20-B (Below ser# 49250)

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Niagara Press Parts


All Models 
1Lifting Eye Bolts
2Cap Screw
3Bearing Cap
4Gib Adjusting Screw
5Gib Adjusting Nut
6Bolster Plate
7Counterbalance (optional) (See Separate Parts List)
8Drive Assembly (See Separate Parts List)
9Connection (See Separate Parts List
10Slide (See Separate Parts List)
11Front Frame Cover (up to A-60)
11AClutch Cover
Inclinable Models Only Adjustable Bed Models Only Inclinable Options 
13Frame (Cast Iron on A-15)30Frame18Inclining Bracket
14Leg31Table19Bracket Stud
14ALeg Pivot32Adjusting Screw20Nut
15Tie Rod33Jam Nut21Inclining Screw Pin
16Tie Rod Nut34Clamp Screw22Retainer Ring
17Rear Leg Stud35Clamp Bar23Inclining Screw
17ALocking Collar36Clamp Nut24Inclining Screw Nut
17BNut25Thrust Bearing
26Adjusting Motor
27Worm Gear Jack
28Valve Bracket
29Hand Operated Valve

Slide and Manually Adjusted Connection

1NutManually Adjusted Connection Only
2Breech Block Stud23Nut
3Breech Block 24Connection Cap Stud
4Slide (Ram)25Connection Bushing
5Cotter Pin26Connection Cap (sold with connection)
6Knock-out Bar27Connection
7Clamp Nut27AConnection
8Knock-out Clamp28Clamp Plug Nut
9Knock-out Pin29Clamp Plug Stud
10Bracket Mounting Screw30Clamp Plug (sold with connection)
11Knock-out Bracket31Slide Indicator Scale
12Gib32Slide Indicator Gage
13Brake (See Drive Parts List)33Cap Screw
22Crankshaft (See Separate Parts List)34Connection Ball Cap
35Cap Shim
36Connection Ball Screw
37Clamping Stud
38Clamping Nut

Power Operated Slide Adjustment (some models)

1Cylinder Nut26Sprocket Key
2Air Cylinder27Air Motor (Reversing -Direct Control)
4Washer29Driving chain
5Brake Spring30Coutner Chain
6Brake Spring Bolt31Counter Sprocket
8Connecting Link33Counter Bracket
9Brake Strap34Cap Screw
10Brake Mounting Screw35Ball Screw Cap
11Brake Collar36Connection Ball Screw
12Retainer Ring37Ball Screw Pin
13Retainer Ring38Retainer Fastening Screw
14Bearing Retainer39Worm Gear Retainer
15Bearing 40Retainer Shim
16Brake Collar Key41Worm Gear
17Sprocket Key42Plate Fastening Screw
18Sprocket Key43Stop Plate
19Adjusting Worm Shaft44Set Screw
20Retainer Ring45Connection
21Sprocket 46Connection Cap
22Retainer Ring47Nut
23Sprocket48Connection Stud
24Retainer Ring49Connection Bushing
25Chain Guard

Power Operated Slide Adjustment (some models)

1Connection25Retainer Ring
2Connection Cap26Motor Sprocket
3Cap Stud and Nut27Drive Chain
4Worm Gear 28Sprocket
5Worm Gear Retainer29Brake Collar
6Retainer Screws30Connecting Link
7Bail Connection Screws31Brake Pin Screw
8Ball Screw Pin32Air Cylinder Nut
9Slide Adjustment Worm Shaft33Brake Mounting Screw
10Motor Key34Brake Straps
11Motor Bracket35Brake Spring
12Motor Straps36Air Cylinder
13Air Motor37Spring Washer
14Motor Stap Nuts38Spring Adjusting Nuts
15Bearings39Cover Plate Screws
16Bearing Retainer40Cover Plate
17Sprocket41Chain Guard Screw
18Counter Chain42Chain Guard
19Counter Bracket43Shuttle Valve
20Counter 44Dual Solenoid Valve
21Counter Sprocket45Muffler
22Counter Chain Guard46Air Line Lubricator (Not Shown)
23Retainer Ring47Positive Stop Plate
24Worm Key

Plain Press Drive

1Brake Locknut36Flywheel Guard
2Brake Adjusting Nut37Guard Mounting Screw
3Brake Spring38Flywheel Brake (Optional)
4Brake Spring Stud39Driving Belt
5Brake Mounting Nuts40Motor Key
6Brake Strap Mounting Stud41Sheave
7Brake Collar42Main Motor
8Drag Brake Strap43Motor Mounting Screw
18L.H. Bushing44Adjustable Motor Base
19Brake Collar Key45Base Mounting Screw
20Crankshaft46Motor Mounting Plate
21R.H. Split Bushing47Rotation Sight Window
22Clutch Cam48Bracket Mounting Screw
23Clutch Spring49Plate Mounting Bracket
24Clutch Sleeve
25Clutch Ring Mounting BoltAir Releasing Strap Brake Only
26Clutch Ring 9Brake Strap
27Latch Bracket (See Separate Parts List)10Air Fitting
28Inner Flywheel Bearing11Cylinder Cover Screw
29Flywheel12Cylinder Cover
30Spacing Collar13Cylinder Gasket
31Outer Flywheel Bearing14Piston
32Lock washer15"O" Ring
33Lock nut16Locknut
34Guard Plate17Adjusting Screw
35Plate Mounting Screw

Geared Press Drive

1Brake Locknut45Guard Mounting Screw
2Brake Adjusting Nut46Flywheel Guard
3Brake Spring47Washer Mounting Screw
4Brake Spring Stud48Clamp Washer
5Brake Mounting Nuts49Flywheel Key
6Brake Strap Mounting Stud50Flywheel
7Brake Collar51Flywheel Brake (Optional)
8Drag Brake Strap52L.H. Bearing Spacer
18L.H. Bushing53Reatiner Ring (not on A-22)
19Brake Collar Key54L.H. Bearing
20Crankshaft55Frame Mounting Screw (not on A-22)
21R.H. Split Bushing56L.H. Bearing Bracket (not on A-22)
22Clutch Cam57Tube Mounting Screw (A-22 only)
23Clutch Spring58Tube Mounting Collar (A-22 only)
24Clutch Sleeve59Drive Shaft Tube (A-22 only)
25Clutch Ring Mounting Bolt60R.H. Bearing Bracket (not on A-22)
26Clutch Ring 61Retainer Ring
27Latch Bracket (See Separate Parts List)62R.H. Bearing
28Inner Bearing63Retainer Ring
29Gear64Drive Shaft
30Spacing Collar65Bracket Mounting Screw (not on A-22)
31Outer Bearing
32LockwasherAir Releasing Stap Brake Only
33Locknut9Brake Strap
34Gear Guard Plate10Air Fitting
35Plate Mounting Screw11Cylinder Cover Screw
36Gear Guard12Cylinder Cover
37Guard Mounting Screw13Cylinder Gasket
38Base Mounting Screw14Piston
39Adjustable Motor Base15"O" Ring
40Motor Mounting Screw16Locknut
41Main Motor17Adjusting Screw
43Motor Key
44Driving Belt

Geared Press Drive (A-75 & Larger)

1Brake Locknut50Flywheel
2Brake Adjusting Nut51Flywheeel Brake (Optional)
3Brake Spring66Motor Mounting Screw
4Brake Spring Stud67Main Motor
5Brake Mounting Nuts68Base Mounting Screw
6Brake Strap Mounting Stud69Adjustable Motor Base
7Brake Collar70Bracket Screw
8Drag Brake Strap71Motor Mounting Bracket
18L.H. Bushing72Cover Screw
19Brake Collar Key73L.H.Bearing Cover
20Crankshaft74L.H. Bearing
21R.H. Split Bushing75Driveshaft Tube
22Clutch Cam76Locknut
23Clutch Spring77Lockwasher
24Clutch Sleeve78R.H. Bearing
25Clutch Ring Mounting Bolt79Bearing Spacer
26Clutch Ring 80R.H. Bearing Cover
27Latch Bracket (See separate Parts List)81Cover Mounting Screw
28Inner Bearing82Driveshaft and Pinion
29Gear83Pinion (Alone)
30Spacing Collar84Plate Mounting Screw
31Outer Bearing85Guard Backplate
32Lockwasher86Flywheel Guard
34Gear Guard PlateAir Releasing Strap Brake Only
35Plate Mounting Screw9Brake Strap
36Gear Guard 10Air Fitting
37Guard Mounting Screw11Cylinder Cover Screw
42Sheave12Cylinder Cover
43Motor Key13Cylinder Gasket
44Driving Bolt14Piston
45Guard Mounting Screw15"O" Ring
47Washer Moutning Screw16Locknut
48Clamp Washer17Adjusting Screw
49Flywheel Key

Latch Bracket Assembly

102Cam Roller Shaft138Cam Roller
103Cam Lever140End Collar Roll Pin
104Cam Lever Pin141Housing Cover Fastening Screw
105Selector Knob Spring142Washer
106Selector Knob 143Cam Lever Roll Pin
107Throwout Spring144Cam Lever Pin Nut
108Throwout Pin145Lockwasher
109Latch Pin146Cam Roller Shaft Nut
111Latch 147Lockwasher
112Throwout Key148Latch Pin Cotter Pins
114Throwout Ball BearingPneumatic Latch Bracket Only
115Throwout Needle Bearing1Air Fitting
116Selector Knob Pin2Cover Mounting Screw
117Siding Pin3Cylinder Cover
118Throwout Shaft4Cylinder Gasket
119Throwout Housing Cover5Piston
121Spacing Collar6"O" Ring
122Lock Nut134AAir Trip Cylinder (Special Throwout Housing)
123Latch Spring Pin
124Bell Crank PinTreadle Operated Only
125Bell Crank 18Cotter Pin
126Latch Spring 19Washer
127Lock Washer20Treadle Stud
128Throwout Shaft Collar21Foot Treadle
129Treadle Spring Plunger22Treadle Rod
130Treadle Spring 23Set Screw
131Locking Bar Indicator24Treadle Rod Pin
132Locking Bar Pin
134Throwout Housing
135Locking Bar
136Locking Bar Spring
137Locking Bar End Collar
*See paragraph "Checking Single Stroke Back-up Device" page 14.

Flywheel Brake

FLYWHEEL BRAKE (when furnished) 
1Key Dowel Pin
2Guide Key
3Mounting Screw
5Brake Lining
6Dowel Pin
7Brake Shoe
9"O" Ring
11Cylinder Cover
13Cylinder Mounting Screw
14Cover Moutning Screw
"C" TYPE CUSHION (when furnished)
1Air Piping (Furnished by Customer)
2Mounting Plate
3Lubrication Piping
4Oil Fitting
5Cylinder Mounting Screw
7"U" Packing (Split for illustration purposes only)
9Pressure Pate
10Pressure Plate Mounting Screw
11Stop Nut
12Roll Pin
13Lubrication Pipe Clip and Screw
14Positive Stop Stud


1Safety Valve
2Fusible Plug
3Acorn Nut
4Seal Washer
5Tie Rod
6Cylinder cover
7Upper Gasket
8Counterbalance Outer Cylinder
9Counterbalance Cylinder
10Lower Gasket
11Counterbalance Rod Nut
13"U" Packing
14Counterbalance Rod
15Lower Cylinder Cap
16Pip Nipple
17Pipe Coupling
18"U" Packing
20Bushing Retainer
21Bushing 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
8 a.m.–5 p.m.

BCN Technical Services, Inc.

1004 E State St Hastings, MI 49058