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Series 3B 4B 5B 6 7B 8 9 10 & 12 Form C-10-C

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Niagara Press Parts

How to find the parts you need

Series 3B 4B 5B 6 7B 8 9 10 & 12 Form C-10-C

Click to enlarge drawing

Front View

Part #Part NamePart #Part Name
1Bed22Front Brackets
2Cross Head23Front Gage
3Holddown23-AFront Gage Bolts
4Left Hand Housing24Side Gage
5Right Hand Housing36Holddown Foot
7Treadle Shaft38Knife Guard
15Detent Cam Box39Knife Guard Bolt
16Detent Spring Pot59Counterbalance Spring Rod
16-ADetent Cam Box Cover

Rear View

Part #Part NamePart #Part Name
17Back Gage Bar46Crosshead Brace Rod (Complete)
32Motor47Crosshead Brace Rod Adjustment Nut
42Motor Adaptor Flange49Back Gage Squaring Shaft
43Lower Knife65Motor Starter
44Upper Knife*
45Knife Plow Bolts*Not Illustrated

Eccentric Shaft

Part #Part NamePart #Part Name
6Eccentric Shaft40Detent Cam
8R.H. Eccentric41Eccentric Oiler Chain
9L.H. Eccentric140Single Stroke Cam
10Crosshead Eccentric Straps141Clutch Sleeve
11Holddown Eccentric Straps143Locknut
12Crosshead Wrist Pins143-ALockwasher*
13Holddown Wrist Pins144Clutch Sleeve Spring
30Clutch Gear*Not Illustrated

Detent Brake

Part #Part NamePart #Part Name
16Detent Spring Pot68Detent Spring
40Detent Cam69Detent Spring Plunger
40-ADetent Cam Housing Washer69-ADetent Plunger Stem
66Detent Cam Roller177Detent Plunger Stem
67Detent Cam Lever178Detent Cam Roller Snap Rings
67-ADetent Lever Pin

Friction Brake

Part #Part NamePart #Part Name
197Brake Pivot Pin204Spring
198Pivot Spacer205Formica Bushing
199Brake Lever Arm206Nut
200Brake Shoe207Trunnion
201Brake Shoe Pin208Brake Collar
201-ABrake Shoe Pin209Brake Lining
202Spring Rod
203Spring Rod


Part #Part Name
59Counterbalance Spring Rod
60Crosshead Spring Bracket
61Upper Counterbalance Spring Washer
62Center Counterbalance Spring Washer
63Lower Counterbalance Spring Washer
64Counterbalance Springs

Holddown Assembly and Knife Guard Mounting Screw

Part #Part Name
36Holddown Foot
37Holddown Spring
39Knifeguard Bolt

Series 12 Gear Box

Part #Part NamePart #Part Name
14Gear Box168Inspection Cover
25Gear Box Cover172Oil Fill Cover
32Motor173-ADowel Pins; Total of Four
33Treadle Connection174-AEccentric Shaft Cover
132Locking Bar Handle175Intermediate Pinion Shaft Cover
165Single Stroke Cam Cover

Latch Bracket

Part #Part NamePart #Part NamePart #Part Name
102Cam Roller Shaft115Throwout Bearing Needle127Lock Washer
103Cam Lever116Selector Knob Pin128Throwout Shaft Collar Nuts
104Cam Lever Pin117Sliding Pin129Treadle Spring Plunger
105Selector Knob Spring118Throwout Shaft130Treadle Spring
106Single Stroke Selector Knob119Throwout Housing End Cover131Locking Bar Indicator
107Throwout Spring120End Cover Cap Screw132Locking Bar Handle
108Throwout Pin121Spacing Collar133Throwout Housing Cap Screw
109Latch Hinge Pin122Throwout Shaft Lock Nut134Throwout Housing
111Latch123Latch Spring Pin135Locking Bar
112Throwout Key124Bell Crank Pin136Locking Bar Spring
113Throwout125Bell Crank137Locking Bar End Collar
114Throwout Bearing Ball126Latch Spring138Cam Roller

Gear Box

Part #Part NamePart #Part NamePart #Part Name
14Gear Box140Single Stroke Cam160Intermediate Shaft Bearing Spacer (Does not apply to 10 and 12 Series)
25Gear Box Cover141Clutch Sleeve161Oil Level Elbow
26Flywheel142Outer Clutch Gear Bearings (3-B to 9 Series: Single Row Ball Bearing; 10 and 12 Series: Timken Tapered Bearing)162Pinion 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)
27Drive Shaft144Clutch Sleeve Spring164Locknut and Washer
27-ASplined Motor Coupling150Clutch Wheel Face165Single Stroke Cam Cover
28Intermediate Shaft (Does not apply to 10 and 12 series)151Clutch Face Bolt and Nut166Pinion Shaft Bearing Cover
29Intermediate Gear and Pinion Cluster152Inner Clutch Gear Bearing (3-B to 9 Series: Double Row Ball Bearing; 10 and 12 Series: Timken Tapered Bearing)167Eccentric 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)
30Clutch Gear153Clutch Gear Bearing Spacer168Inspection Cover
31Cover Bearing (Does not apply to 8 and 9 series)154Intermediate 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)170Treadle Lever Bracket
33-ATreadle Connecting Link155Locknut and Washer171Treadle Lever Pin
33-BUpper Treadle Lever157Oil Catcher and Bearing Retainer
42Motor Adapter Flange158Pinion 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
8 a.m.–5 p.m.

BCN Technical Services, Inc.

1004 E State St Hastings, MI 49058