How to find the parts you need
Series 3B 4B 5B 6 7B 8 9 10 & 12 Form C-10-C
① Click a link to view parts list below or download the spec sheet.
Front ViewRear View
Eccentric Shaft
Detent Brake
Friction Brake
Counterbalance
Holddown Assembly and Knife Guard Mounting Screw
Series 12 Gear Box
Latch Bracket
Gear Box
② Once you know which parts you want to order, request a parts quote.
Click to enlarge drawing
Front View
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 1 | Bed | 22 | Front Brackets |
| 2 | Cross Head | 23 | Front Gage |
| 3 | Holddown | 23-A | Front Gage Bolts |
| 4 | Left Hand Housing | 24 | Side Gage |
| 5 | Right Hand Housing | 36 | Holddown Foot |
| 7 | Treadle Shaft | 38 | Knife Guard |
| 15 | Detent Cam Box | 39 | Knife Guard Bolt |
| 16 | Detent Spring Pot | 59 | Counterbalance Spring Rod |
| 16-A | Detent Cam Box Cover |
Rear View
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 17 | Back Gage Bar | 46 | Crosshead Brace Rod (Complete) |
| 32 | Motor | 47 | Crosshead Brace Rod Adjustment Nut |
| 42 | Motor Adaptor Flange | 49 | Back Gage Squaring Shaft |
| 43 | Lower Knife | 65 | Motor Starter |
| 44 | Upper Knife* | ||
| 45 | Knife Plow Bolts | *Not Illustrated |
Eccentric Shaft
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 6 | Eccentric Shaft | 40 | Detent Cam |
| 8 | R.H. Eccentric | 41 | Eccentric Oiler Chain |
| 9 | L.H. Eccentric | 140 | Single Stroke Cam |
| 10 | Crosshead Eccentric Straps | 141 | Clutch Sleeve |
| 11 | Holddown Eccentric Straps | 143 | Locknut |
| 12 | Crosshead Wrist Pins | 143-A | Lockwasher* |
| 13 | Holddown Wrist Pins | 144 | Clutch Sleeve Spring |
| 30 | Clutch Gear | *Not Illustrated |
Detent Brake
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 16 | Detent Spring Pot | 68 | Detent Spring |
| 40 | Detent Cam | 69 | Detent Spring Plunger |
| 40-A | Detent Cam Housing Washer | 69-A | Detent Plunger Stem |
| 66 | Detent Cam Roller | 177 | Detent Plunger Stem |
| 67 | Detent Cam Lever | 178 | Detent Cam Roller Snap Rings |
| 67-A | Detent Lever Pin |
Friction Brake
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 197 | Brake Pivot Pin | 204 | Spring |
| 198 | Pivot Spacer | 205 | Formica Bushing |
| 199 | Brake Lever Arm | 206 | Nut |
| 200 | Brake Shoe | 207 | Trunnion |
| 201 | Brake Shoe Pin | 208 | Brake Collar |
| 201-A | Brake Shoe Pin | 209 | Brake Lining |
| 202 | Spring Rod | ||
| 203 | Spring Rod |
Counterbalance
| Part # | Part Name |
|---|---|
| 59 | Counterbalance Spring Rod |
| 60 | Crosshead Spring Bracket |
| 61 | Upper Counterbalance Spring Washer |
| 62 | Center Counterbalance Spring Washer |
| 63 | Lower Counterbalance Spring Washer |
| 64 | Counterbalance Springs |
Holddown Assembly and Knife Guard Mounting Screw
| Part # | Part Name |
|---|---|
| 36 | Holddown Foot |
| 37 | Holddown Spring |
| 39 | Knifeguard Bolt |
| 173 | Washer |
| 174 | Nut |
Series 12 Gear Box
| Part # | Part Name | Part # | Part Name |
|---|---|---|---|
| 14 | Gear Box | 168 | Inspection Cover |
| 25 | Gear Box Cover | 172 | Oil Fill Cover |
| 32 | Motor | 173-A | Dowel Pins; Total of Four |
| 33 | Treadle Connection | 174-A | Eccentric Shaft Cover |
| 132 | Locking Bar Handle | 175 | Intermediate Pinion Shaft Cover |
| 165 | Single Stroke Cam Cover |
Latch Bracket
| Part # | Part Name | Part # | Part Name | Part # | Part Name |
|---|---|---|---|---|---|
| 102 | Cam Roller Shaft | 115 | Throwout Bearing Needle | 127 | Lock Washer |
| 103 | Cam Lever | 116 | Selector Knob Pin | 128 | Throwout Shaft Collar Nuts |
| 104 | Cam Lever Pin | 117 | Sliding Pin | 129 | Treadle Spring Plunger |
| 105 | Selector Knob Spring | 118 | Throwout Shaft | 130 | Treadle Spring |
| 106 | Single Stroke Selector Knob | 119 | Throwout Housing End Cover | 131 | Locking Bar Indicator |
| 107 | Throwout Spring | 120 | End Cover Cap Screw | 132 | Locking Bar Handle |
| 108 | Throwout Pin | 121 | Spacing Collar | 133 | Throwout Housing Cap Screw |
| 109 | Latch Hinge Pin | 122 | Throwout Shaft Lock Nut | 134 | Throwout Housing |
| 111 | Latch | 123 | Latch Spring Pin | 135 | Locking Bar |
| 112 | Throwout Key | 124 | Bell Crank Pin | 136 | Locking Bar Spring |
| 113 | Throwout | 125 | Bell Crank | 137 | Locking Bar End Collar |
| 114 | Throwout Bearing Ball | 126 | Latch Spring | 138 | Cam Roller |
Gear Box
| Part # | Part Name | Part # | Part Name | Part # | Part Name |
|---|---|---|---|---|---|
| 14 | Gear Box | 140 | Single Stroke Cam | 160 | Intermediate Shaft Bearing Spacer (Does not apply to 10 and 12 Series) |
| 25 | Gear Box Cover | 141 | Clutch Sleeve | 161 | Oil Level Elbow |
| 26 | Flywheel | 142 | Outer Clutch Gear Bearings (3-B to 9 Series: Single Row Ball Bearing; 10 and 12 Series: Timken Tapered Bearing) | 162 | Pinion Shaft Bearing (3-B to 5-B and 12 Series: Ball Bearing, 6 and 7-B Series: Roller Bearings, 8 to 10 Series: Double Row Ball Bearings) |
| 27 | Drive Shaft | 144 | Clutch Sleeve Spring | 164 | Locknut and Washer |
| 27-A | Splined Motor Coupling | 150 | Clutch Wheel Face | 165 | Single Stroke Cam Cover |
| 28 | Intermediate Shaft (Does not apply to 10 and 12 series) | 151 | Clutch Face Bolt and Nut | 166 | Pinion Shaft Bearing Cover |
| 29 | Intermediate Gear and Pinion Cluster | 152 | Inner Clutch Gear Bearing (3-B to 9 Series: Double Row Ball Bearing; 10 and 12 Series: Timken Tapered Bearing) | 167 | Eccentric Shaft Bearing (3-B to 5-B Series: Needle Bearing, 6 and 7-B Series: 2 Needle Bearings, 8 to 12 Series: Floating Bronze Bushings) |
| 30 | Clutch Gear | 153 | Clutch Gear Bearing Spacer | 168 | Inspection Cover |
| 31 | Cover Bearing (Does not apply to 8 and 9 series) | 154 | Intermediate Shaft Bearings (3B to 5B Series: 3 Needle Bearings, 6 and 7B Series: 4 Needle Bearings, 8 and 9 Series: 2 Bronze Bushings, 10 and 12 Series: Needle, Bearing Each End of Shaft) | 170 | Treadle Lever Bracket |
| 33-A | Treadle Connecting Link | 155 | Locknut and Washer | 171 | Treadle Lever Pin |
| 33-B | Upper Treadle Lever | 157 | Oil Catcher and Bearing Retainer | ||
| 42 | Motor Adapter Flange | 158 | Pinion Shaft Flywheel Bearing (3-B to 10 Series: Ball Bearing, 12 Series: Roller Bearing) |
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