How to find the parts you need
① Click a link to view parts list below or download the spec sheet.
MODELS 18, 110, 1R4 TO 1R10ECCENTRIC SHAFT, HOLDDOWN, DETENT BRAKE
LATCH BRACKET & GEAR BOX
SINGLE BRACKET BACK GAGE & EXTENSION SQUARING GAGE
BACK GAGE
② Once you know which parts you want to order, request a parts quote.
MODELS 18, 110, 1R4 TO 1R10
When ordering parts always give the catalog and serial number of the shear. The serial number is stamped at or near the front left corner of the bed and also on the metal lubrication plate. Be sure to use complete names of parts listed for positive identification.
Part Nos. for Figs. 10, 11, 12 and 13 contd.

33 | Treadle Connection | 64 | Counterbalance Springs |
43 | Lower Knife | 132 | Locking Bar Handle |
44 | Upper Knife | 200 | Starter |
45 | Knife Plow Bolts | 201 | Holddown Plunger |
46 | Crosshead Brace Rod | 201A | Holddown Plunger Spring |
47 | Crosshead Brace Rod Adjustment Nut | 202 | Holddown Lifiting Adjustment Screws |
49 | Back Gage Squaring Shaft | 203 | Treadle Foot |
59 | Counterbalance Spring Rod | 204 | Treadle Rod Support |
62 | Center Counterbalance Spring Washer | 205 | Lubrication Plate |
63 | Lower Counterbalance Washer | 211 | Holddown Locknuts |
212 | Holddown Retainer Screws | ||
206 | Jam Nut | ||
*Not Illustrated |
ECCENTRIC SHAFT, HOLDDOWN, DETENT BRAKE
6 | Eccentric Shaft |
8 | R.H. Eccentric |
9 | L.H. Eccentric |
10 | Crosshead Eccentric Straps |
12 | Crosshead Wrist Pins |
30 | Clutch Gear |
31 | Cover Bearing |
40 | Detent Cam |
140 | Single Stroke Cam |
141 | Clutch Sleeve |
143 | Locknut |
143A | Lockwasher |
144 | Clutch Sleeve Spring |
213 | Spacer |
For models 18, 110, 1R4 to 1R10 (rear view)
3 | Holddown |
36 | Holddown Foot |
37 | Holddown Spring |
38 | Knife Guard |
174 | Holddown Foot Retaining Nut |
207 | Holddown Lifting Bar |
16 | Detent Spring Pot |
40 | Detent Cam |
40A | Detent Cam Housing Washer |
66 | Detent Cam Roller |
67 | Detent Cam Lever |
67A | Detent Lever Pin |
68 | Detent Spring |
69 | Detent Spring Plunger |
69A | Detent Plunger Stem |
177 | Detent Cam Roller Bearings |
178 | Detent Cam Roller Snap Rings |
LATCH BRACKET & GEAR BOX
102 | Cam Roller Shaft | 121 | Spacing Collar |
103 | Cam Lever | 122 | Throwout Shaft Lock Nut |
104 | Cam Lever Pin | 123 | Latch Spring Pin |
105 | Selector Knob Spring | 124 | Bell Crank Pin |
106 | Single Stroke Selector Knob | 125 | Bell Crank |
107 | Throwout Spring | 126 | Latch Spring |
108 | Throwout Pin | 127 | Lock Washer |
109 | Latch Hinge Pin | 128 | Throwout Shaft Collar Nuts |
111 | Latch | 129 | Treadle Spring Plunger |
112 | Throwout Key | 130 | Treadle Spring |
113 | Throwout | 131 | Locking Bar Indicator |
114 | Throwout Bearing Ball | 132 | Locking Bar Handle |
115 | Throwout Bearing Needle | 133 | Throwout Housing Cap Screw |
116 | Selector Knob Pin | 134 | Throwout Housing |
117 | Sliding Pin | 135 | Locking Bar |
118 | Throwout Shaft | 136 | Locking Bar Spring |
119 | Throwout Housing End Cover | 137 | Locking Bar End Collar |
120 | End Cover Cap Screw | 138 | Cam Roller |
14 | Gear Box | 144 | Clutch Sleeve Spring |
24 | Cover Bolts and Nuts | 150 | Clutch Wheel Face |
25 | Gear Box Cover | 151 | Clutch Face Bolt and Nut |
26 | Flywheel | 152 | Inner Clutch Gear Bearing |
27 | Drive Shaft | 153 | Clutch Gear Bearing Spacer |
27A | Splined Motor Coupling | 154 | Intermediate Shaft Bearings |
28 | Intermediate Shaft | 155 | Locknut and Washer |
29 | Intermediate Gear and Pinion Cluster | 157 | Oil Catcher and Bearing Retainer |
30 | Clutch Gear | 158 | Pinion Shaft Flywheel Bearing |
31 | Cover Bearing | 160 | Intermediate Shaft Bearing Spacer |
33A | Treadle Connecting Link | 161 | Oil Level Elbow |
33B | Upper Treadle Lever | 162 | Pinion Shaft Bearing |
42 | Motor Adapter Flange | 164 | Locknut and Washer |
140 | Single Stroke Cam | 165 | Single Stoke Cam Cover |
141 | Clutch Sleeve | 166 | Pinion Shaft Bearing Cover |
142 | Outer Clutch Gear Bearings | 167 | Eccentric Shaft Bearing |
143 | Locknut | 168 | Inspection Cover |
143A | Lockwasher | 170 | Treadle Lever Bracket |
171 | Treadle Lever Pin | ||
213 | Spacer |
SINGLE BRACKET BACK GAGE & EXTENSION SQUARING GAGE
17 | Back Gage Bar |
18 | Single Bracket |
21 | Back Gage Handwheel |
47 | King Pin Bolt and Nut |
48 | Back Gage Brace Rod |
52 | Handwheel Scale |
53 | Bracket Scale |
56 | Handwheel Nut |
57 | Single Bracket Back Gage Adjusting Screw |
*58 | Single Bracket Back Gage Slide |
84 | Handle |
86 | Knob |
208 | Set Screws |
209 | Mounting Screws |
210 | Dowel |
*Not Illustrated |
BACK GAGE
17 | Back Gage Bar | 80 | Bevel Gears for Adjusting Screws |
19 | Left Hand Back Gage Bracket | 81 | Retainer Bushings |
20 | Right Hand Back Gage Bracket | 82 | Nuts for Retainer Bushings |
21A | Back Gage Handwheel | 83 | Coupling Gear |
48 | Back Gage Brace Rod | 84 | Handle |
49 | Back Gage Squaring Shaft | 85 | Locking Pin |
50 | Back Gage Sleeve | 86 | Knob |
51 | Locking Sleeve Scale | 87 | Ring for Left Hand Gear Case |
52 | Handwheel Scale | 88 | Spacing Collar for Left Hand Shaft |
53 | Bracket Scale | 89 | Bolt for Connecting Shaft |
54 | Back Gage Adjusting Screw Indicator Nut | 90 | Stop Pins |
55 | Woodruff Key for Locking Sleeve | 91 | Spring for Coupling Sleeve |
56 | Handwheel Nut | 92 | Double Bearings for Adjusting Screws |
70 | Right Hand Gear Case | 93 | R.H. Bearing for R.H. Shaft |
71 | Left Hand Gear Case | 94 | L.H. Bearing for R.H. Shaft |
72 | Slides | 95 | R.H. Bearing for L.H. Shaft |
73 | Indicator Nut | 96 | L.H. Bearing for L.H. Shaft |
74 | Bracket Dowels | 97 | Nut for Left Hand Shaft |
75 | Right Hand Adjusting Screw | 98 | Lockwashers for Adjusting Screws |
76 | Left Hand Adjusting Screw | 99 | Locknuts for Adjusting Screws |
77 | Shaft for Right Hand Gear Case | *100 | Handle Spring |
78 | Shaft for Left Hand Gear Case | ||
79 | Bevel Gears for Gear Case | ||
*Not Illustrated |
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.
Sign-up to receive updates and important information from BCN Technical Services.
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