How to find the parts you need

Series 1, 1N & 1R Shears Form C-2-G Supplement

① Click a link to view parts list below or download the spec sheet.

Housing, Bed, Ram (Models 12 thru 112 & 1N)
Housing, Bed, Ram (Models 1R)
Gear Box Assembly
Latch Bracket Assembly
Detent Parts
Brake Parts Models 18-110-112-1R Series
Back Gage (Models 12 thru 112 & 1N)
Power Operated Only
Back Gage (Models 1R only)

② Once you know which parts you want to order, request a parts quote.

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Click to enlarge drawing

Housing, Bed, Ram (Models 12 thru 112 & 1N)

Part #	Part Name	Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Brace Rod Nut	22	Eccentric Shaft	43	Lower Knife	64	Holddown Lift Block (12 thru 16)
2	Brace Rod	23	Nut	44	Bed Adjusting Bolt	65	Shims
3	Ram (12 thru 16)	24	Washer	45	Bed Adjusting Bolt	66	Socket Head Screw
4	Back Gage Control (see Separate Parts List)	25	Reverse Key Plow Bolt	46	V-Head Bolt (15-16-18-110-112-1N)	67	Spring
5	Ram (18-110-112-1N)	26	Socket Head Capscrew	47	Nut (15-16-18-110-112-1N)	68	Holddown Spring Pin
6	Pan Head Screw	27	Upper Holddown Foot Washer	48	Front Bracket (15-16-18-110-112-1N)	69	Ram Wrist Pin
7	Front Gib	28	Hex Nut	49	Bed (15-16-18-110-112-1N)	70	Bushing (18-110-112-1N)
8	Gib Shims	29	Upper Knife	50	Bed (12-13-14)	71	Ram Eccentric Connection
9	Pan Head Screw	30	Socket Head Screw	51	Bolt (12-13-14)	72	Screw
10	Rear Gib	31	Holddown Lift Block	52	Front Bracket (12-13-14)	73	Clamp Washer
11	Counterbalance Spring Rod	32	Hex Jam Nut	53	Screw	74	Housing (12 thru 16)
12	Counterbalance Spring	33	Holddown Foot Nut Washer	54	Side Gage	75	Holddown Clamping Nut
13	Counterbalance Spring Spacer	34	Backing Washer	55	Scale	76	Holddown Clamping Washer
14	Counterbalance Spring	35	Spring	56	Eccentric Connection Bushing (18-110-112-1N)	77	Gearbox Assembly (see Separate Parts List)
15	Jam Nut	36	Holddown Foot (18-110-112-1N)	57	Eccentric
16	Housing (18-110-112-1N)	37	Lower Knife Nut	58	Eccentric Shaft
17	Washer	38	Lower Knife Washer	59	Retaining Ring
18	Bed Mounting Screw	39	Lower Knife Plow Bolt	60	Screw
19	Key	40	Holddown Foot Cap	61	Holddown Bar (12 thru 16)
20	Detent Brake (see Separate Parts List)	41	Knifeguard	62	Guard
21	Brake Guard (18-110-112-1N)	42	Bolt	63	Holddown (12 thru 16)

Housing, Bed, Ram (Models 1R)

Part #	Part Name	Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Gearbox Assembly (see Separate Parts List)	24	Hex Jam Nut	47	Screw	70	Screw
2	Socket Head Capscrew	25	Back Gage Control (see Separate Parts List)	48	Knifeguard	71	Scale
3	Front Gib Backing	26	Jam Nut	49	Holddown	72	4 Cutting Edge Knife
4	Gib Shims	27	4 Cutting Edge Knife	50	Socket Head Capscrew	73	Nut
5	Front Gib	28	Reverse Key Plow Bolt	51	Rod Holder	74	Washer
6	Pan Head Screw	29	Brace Rod Nut	52	Rods	75	Reverse Key Plow Bolt
7	Pan Head Screw	30	Washer	53	Socket Head Screw	76	Holddown Foot Cap
8	Rear Gib	31	Nut	54	Guard Bar	77	Holddown Foot
9	Upper Counterbalance Spring Washer	32	Adjusting Nut	55	Socket Head Screw	78	Spring
10	Counterbalance Spring Rod	33	Turnbuckle	56	Right End Guard	79	Eccentric Shaft
11	Counterbalance Spring	34	Brace Rod	57	Hex Head Screw	80	Eccentric
12	Center Counterbalance Spring Washer	35	Lifting Hole	58	Bed Adjusting Bolt	81	Eccentric Connection Bushing
13	Screw	36	Ram	59	V-Head Bolt	82	Ram Eccentric Connection
14	Jam Nut	37	R.H. Housing	60	Front Bracket	83	Brass Dowel
15	Lower Counterbalance Washer	38	Socket Head Set Screw	61	Nut	84	Holding Plate
16	Bushing	39	Hole Cover	62	Screw	85	Left End Guard
17	Ram Wrist Pin	40	Screw	63	Front Bracket Scale	86	Hex Head Screw
18	Retaining Ring	41	Key	64	Disappearing Stop	87	Spacer
19	Backing Washer	42	Eccentric Shaft	65	Screw	88	Holddown Lift Block
20	Foot Lift Angle	43	Detent and Brake Assembly (see Separate Parts List)	66	Bed	89	Socket Head Screw
21	Upper Holddown Foot Washer	44	Bolt	67	Side Gage
22	Holddown Foot Nut Washer	45	Washer	68	Screw
23	Hex Nut	46	Spacer	69	Clamp Washer

Gear Box Assembly

Part #	Part Name	Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Cover	25	Gear Box Cover	47	O Ring	153	Clutch Gear Bearing Spacer
2	Set Screw	26	Flywheel	49	O Ring	154	Intermediate Shaft Bearings
3	Hex Head Screw	27	Drive Shaft	52	Hex Head Screw	155	Locknut & Washer
4	Retaining Ring	27A	Splined Motor Coupling	140	Single Stroke Cam	157	Oil Catcher & Bearing Retainer
5	Hex Head Screw	28	Intermediate Shaft	141	Clutch Sleeve	158	Pinion Shaft Flywheel Bearing
6	Latch Bracket Assembly (see Separate Parts List)	29	Intermediate Gear and Pinion Cluster	142	Outer Clutch Gear Bearings	160	Intermediate Shaft Bearing Spacer
8	Motor	30	Clutch Gear	143	Locknut	161	Oil Level Elbow
9	Hex Head Screw	31	Cover Bearing	143A	Lockwasher	162	Pinion Shaft Bearing
10	Hex Head Screw	32	Hex Head Screw	144	Clutch Sleeve Spring	164	Locknut & Washer
11	Hex Head Screw	34	Pipe Plug	150	Clutch Wheel Face	165	Single Stroke Cam Cover
14	Gear Box	39	Pipe Plug	151	Clutch Face Bolt & Nut	166	Pinion Shaft Bearing Cover
24	Cover Bolts & Nuts (only 1 on Series I and IN)	42	Motor Adapter Flange	152	Inner Clutch Gear Bearing	167	Eccentric Shaft Bearing
						168	Inspection Cover
						213	Spacer

Latch Bracket Assembly

Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Roll Pin	53	Air Fitting	121	Spacing Collar
14	Gear Box Housing	102	Cam Roller Shaft	122	Throwout Shaft Locknut
19	Washer	103	Cam Lever	123	Latch Spring Pin
21	Roll Pin	104	Cam Lever Pin	124	Bell Crank Pin
24	Cotter Pins	105	Selector Knob Spring	125	Bell Crank
26	Taper Pin	106	Single Stroke Selector Knob	126	Latch Spring
27	Washer	107	Throwout Spring	127	Lock Washer
32	Pin	108	Throwout Pin	128	Throwout Shaft Collar
35	O-Ring	109	Latch Hinge Pin	129	Treadle Spring Plunger
40	Cotter Pins	111	Latch	130	Treadle Spring
43	Nut	112	Throwout Key	131	Locking Bar Indicator
44	Lockwasher	113	Throwout	132	Locking Bar Handle
45	Hex Head Capscrew	114	Throwout Ball Bearing	134	Throwout Housing
46	Cover Mounting Screw	115	Throwout Needle Bearing	135	Locking Bar
47	Cylinder Cover	116	Selector Knob Pin	136	Locking Bar Spring
48	Cylinder Gasket	117	Sliding Pin	137	Locking Bar Collar
50	Bushing	118	Throwout Shaft	138	Cam Roller
51	Piston	119	Throwout Housing End Cover
52	O-Ring	120	End Cover Bolt and Washer

Detent Parts

Part #	Part Name	Part #	Part Name
1	Bearing	11	Pipe Plug
2	Spacer	12	Cover Plate
3	Detent Cam	13	Hex Head Screw
4	Retaining Ring	14	Plug
5	Cam Housing	15	Spring Pot
6	Pipe Plug	16	Spring
7	Retaining Ring	17	Spring Plunger
8	Bearing	18	Lever Pin
9	Cam Roller	19	Cam Lever
10	Hex Head Screw

Models 18-110-112-1R Series

Part #	Part Name	Part #	Part Name
20	Dowel Pin	29	Hex Head Screw
21	Stud	30	Washer
22	Brake Strap	31	Spring
23	Washer	32	Hex Jam Nut
24	Hex Nut	33	Hex Nut
25	Hex Jam Nut	34	Stud
26	Brake Guard	35	Brake Collar
27	Brake Guard Latch	36	Cover and Brake Support
28	Moulding

Back Gage (Models 12 thru 112 & 1N)

Part #	Part Name	Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Round Head Capscrew	27	Indicator Case Mounting Bracket	62	Woodruff Key	84	Backgage Bar
2	Washer	31	Chain Guard	63	Trunnion*	85	Brace Rod Nut
3	Locknut	32	Cap	64	Connecting Shaft*	86	Jam Nuts
4	Handwheel	42	Locknut	65	Trunnion*	87	Brace Rod Bolt
6	Key	43	Lockwasher	66	Roll Pin	88	Brace Rod
7	Shaft	44	Ring	67	Shaft	89	Slide Nut
8	Friction Plate	45	Capscrew	68	Woodruff Key	90	Bellville Washer
9	Rubber Washer	46	Bearing	69	Ring	91	Slide
10	Bushing	47	Spacer	70	Capscrew	92	Stop Pin
11	Sprocket	48	Bevel Gear	71	Bearing	93	Adjusting Screw
12	Roll Pin	49	L.H. Gear Case	72	Spacer	94	Woodruff Key
13	Bushing	51	Woodruff Key	73	Bevel Gear	95	Nut
14	Pulley	52	Shaft	74	Bearing	96	Bearing
15	Timing Belt	53	Roll Pin	75	Lockwasher	97	Retainer Bushing
16	Pulley	54	Bearing	76	Locknut	98	Bevel Gear
17	Indicator Case	55	Sprocket	77	R.H. Gear Case	99	Lockwasher
18	Buttonhead Screw	56	Roll Pin	78	Mounting Bolt	100	Locknut
19	Indicator Case Cover	57	Sprocket Sleeve	79	R.H. Bracket	101	L.H. Bracket
23	Dual Position Indicator	58	Coupling Gear	80	Dowel	102	Mounting Bolt
24	Roll Pin	59	Indicator Ring	81	Mounting Bolt	106	Chain
25	Washer	60	Coupling Sleeve	82	Gage Mounting Bolt
26	Mounting Bolt	61	Spring	83	Washer

Part #	Part Name	Part #	Part Name
20	Button Head Screw	40	Chain
21	Cover	41	Sprocket
22	Control Case	50	Key
28	Bracket	103	Motor Mounting Bolt
29	Washer	104	Roll Pin
30	Capscrew	105	Sprocket
33	Mounting Screw	107	Motor
34	Plate	Manually Operated Only
35	Motor Chain Guard	5	Handle
36	Mounting Plate	38	Mounting Bolt
37	Nut	39	Gear Case Cover
			* One Unit

Power Operated Only

Back Gage (Models 1R only)

Part #	Part Name	Part #	Part Name	Part #	Part Name	Part #	Part Name
1	Shaft	28	Chain Guard	55	Coupling Gear	82	Slide Mounting Bolts
2	Retaining Ring	29	Retaining Ring	56	Indicator Ring	83	R.H. Bracket
3	Locknut	30	Adapter	57	Trunnion*	84	Backgage Bar
4	Adjusting Knob (Handwheel)	31	Bearing	58	Spring	85	Oil Cup
5	Woodruff Key	32	Roll Pin	59	Woodruff Key	86	Jam Nuts
6	Rubber Washer	33	Shaft	60	Coupling Sleeve	87	Brace Rod Nut
7	Bushing	34	Woodruff Key	61	Connecting Shaft*	88	Brace Rod
8	Indicator Housing	35	Key	62	Trunnion*	89	Slide Mounting Bolt
9	Housing Front Cover	36	Motor Chain Guard	63	Roll Pin	90	Lockwasher
10	Magnifier	37	Screw	64	Woodruff Key	91	Brace Rod Bolt
11	Indicator Bracket	38	Nut	65	Shaft	92	Dowels
12	Indicator Bracket Scrw	39	Plate	66	Screw	93	Adjusting Nut
13	Screw	40	Chain	67	Ring	94	Slide Nut
14	Housing Back Cover	41	Sprocket	68	Bearing	95	Bellville Washer
15	Button Head Screw	42	Guard Mounting Plate	69	Spacer	96	Slide
16	Pulley	43	Locknut	70	Bevel Gear	97	Stop Pin
17	Chain	44	Lockwasher	71	Bearing	98	Mounting Bolts
18	Roll Pin	45	Ring	72	Lockwasher	99	Lockwasher
19	Bushing	46	Capscrew	73	Locknut	100	Bracket Mounting Bolt
20	Timing Belt	47	Bearing	74	R.H. Gear Case	101	L.H. Bracket
21	Sprocket	48	Spacer	75	Locknut	102	Motor
22	Pulley	49	Bevel Gear	76	Lockwasher	103	Motor Mounting Bolt
23	Roll Pin	50	L.H. Gear Case	77	Bevel Gear	104	Sprocket
24	Indicator	51	Cap	78	Retainer Bushing	105	Roll Pin
25	Indicator Mounting Plate	52	Sprocket	79	Bearing
26	Button Head Screw	53	Roll Pin	80	Nut		*One Unit
27	Button Head Screw	54	Sprocket Sleeve	81	Woodruff Key

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

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