Industrial Door Components - High Quality Door Hardware

NV065 - Bearing Blocks - Cast - 6" Tube

NV065 - Bearing Blocks - Cast - 6" Tube

Technical Details: Grey Cast Iron Machined O/D Machined Bore 4 Dilled & Tapped (See Product Codes) Machined Spigot for Platewheel  / Drive Gear (See Product Codes) Bearing Full Rim Product Code: NV065A - BEARING BLOCK - 6" - 152mm, 1.1/4" BEARING NV065B -...

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NV066 - Spring Block Cast - 6" Tube

NV066 - Spring Block Cast - 6" Tube

NV066 - Spring Block Cast - 6" Tube 168.2mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Machined Recess for Bearing Clear Bore or Bearing 4 Lugs Boss both sides Ribbed one Boss   Product Code: NV066A - SPRING BLOCK - 6" - 154mm x ...

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NV067 - End Block - Cast - 6" Tube

NV067 - End Block - Cast - 6" Tube

NV067 - End Block - Cast - 6" Tube 168.2mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Machined Spigot for Platewheels / Drive Gears (See Product Codes) Drilled & Tapped for Platewheels & Drive Gears (See Product Codes) Machined Recess for Bearing (See P...

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NV068 - Spring Anchor - Cast - 1 ¼” Ø Boss

NV068 - Spring Anchor - Cast - 1 ¼” Ø Boss

NV069 - Spring Anchor - Cast - 92mm Boss Technical Details: Grey Cast Iron Machined Bore Plain Bore or Clear Bore Pain Boss Product Codes: NV069 - SPRING ANCHOR - 1.1/4" BORE   Please Note: Some Variants maybe made to order only. For any size ...

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NV069 - Spring Anchor - Cast - 92mm Boss

NV069 - Spring Anchor - Cast - 92mm Boss

NV069 - Spring Anchor - Cast - 92mm Boss Technical Details: Grey Cast Iron Machined Bore Plain Bore or Clear Bore Ribbed Boss Product Codes: NV069 --- SPRING ANCHOR - 1" BORE NV069A - SPRING ANCHOR - 1.1/4" BORE NV069B - SPRING ANCHOR - 1.1/2" BORE ...

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NV070 - Motor Shaft Support Bracket - Cast

NV070 - Motor Shaft Support Bracket - Cast

NV070 - Motor Shaft Support Bracket - Cast Technical Details: Grey Cast Iron Machined Face Machined Base Machined Bore Plain Bore, Clear Bore or Bushed Product Codes: NV070A - MOTOR SHAFT SUPPORT BKT.1" BUSH NV070B - MOTOR SHAFT SUPPORT BKT.30mm BUSH NV070C ...

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NV072 - Ratchet Wheel - Cast - 33T - Fine Tooth.

NV072 - Ratchet Wheel - Cast - 33T - Fine Tooth.

NV072 - Ratchet Wheel - Cast - 33T - Fine Tooth. NV072A Fine T. Ratchet Wheel - 1" Bore Material: Grey Cast Finish: Self-Colour Fine Tooth rachet wheel ...

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NV073 - Ratchet Arm - Cast - Fine Tooth

NV073 - Ratchet Arm - Cast - Fine Tooth

NV073 - Ratchet Arm - Cast - Fine Tooth Technical Details: Material: Cast Finish: Self-colour Dims: 11" O/ALL x 1.1/2" x 1.1/2" 1" Wide Boss for fixing with 1.1/"2" Ø Hole ...

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NV074 - Ratchet Wheel - Cast - 12T Handed

NV074 - Ratchet Wheel - Cast - 12T Handed

Product codes: NV074A - 12T R/H Ratchet Wheel c/w Boss x 1" Bore NV074B - 12T L/H Ratchet Wheel c/w Boss x 1" Bore NV074C - 12T L/H Ratchet Wheel c/w Boss - Drilled Technical details: Material: Grey Cast Iron Finish: Self-Colour Machined bored to size Machined Bo...

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NV075 - Ratchet Wheel - Cast - 12T

NV075 - Ratchet Wheel - Cast - 12T

NV075 - Ratchet Wheel - Cast - 12T Material: Grey Cast Finish: Self-Colour Ratchet Wheel ...

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NV076 - Ratchet Pawl - Cast

NV076 - Ratchet Pawl - Cast

NV076 - Ratchet Pawl - Cast To suit NV074, NV075, NV191 Required Drilling...

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NV078 - Clover Bracket - Cast

NV078 - Clover Bracket - Cast

NV078 - Clover Bracket - Cast Technical Details: Grey Cast Iron Machined Face Machined Base Machined Bore •Plain Bore, Clear Bore or Bushed   Product Codes: NV078A - CLOVER BRACKET 1" PLAIN BORE NV078B - CLOVER BRACKET 1" BUSH NV078C - CLOVER BRA...

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NV080 - Bearing Block - Cast - 8" Tube

NV080 - Bearing Block - Cast - 8" Tube

NV080 - Bearing Block - Cast - 8" Tube 219mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Machined Recess for Bearing Machined Spigot for Platewheels & Drive Gears (See Product List) Drilled & Tapped 4 Holes for Platewheels & Drive Gears (See Product ...

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NV081 - Spring Block - Cast - 8" Tube

NV081 - Spring Block - Cast - 8" Tube

NV081 - Spring Block - Cast - 8" Tube 219mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Plain Bore or Clear Bore 3 Lugs Boss on both sides   Product Codes: NV081A - SPRING BLOCK - 8" - 1.1/4" BORE NV081B - SPRING BLOCK - 8" - 1...

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NV083 - Spring Block - Cast - 8" Tube

NV083 - Spring Block - Cast - 8" Tube

NV083 - Spring Block - Cast - 8" Tube 219mm Ø Technical Details: Grey Cast Iron Machined O/D Machined Bore Plain Bore, Clear Bore or Bushed Full Rim Boss on one side   Product Code: NV083A --- SPRING BLOCK - 8" - 202mm x 43mm  BORE 175mm U/Rim NV083B ...

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NV084 - Drive Pinion - Steel - 12T x 5DP

NV084 - Drive Pinion - Steel - 12T x 5DP

NV084 - Drive Pinion - Steel - 12T x 5DP Technical Details: Manufactured to BS 436 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Machined Keyway (See Product List for Bore details) Material Used:...

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NV085 - Drive Pinion - Steel - 12T x 5DP x 41mm Wide

NV085 - Drive Pinion - Steel - 12T x 5DP x 41mm Wide

NV085 - Drive Pinion - Steel - 12T x 5DP x 41mm Wide Technical Details: Manufactured to BS 436 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Machined Keyway (See Product List for Bore details) Materia...

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NV086Z - Bottom Block - Short Type

NV086Z - Bottom Block - Short Type

NV086Z - Bottom Block - Short Type Material: S.G. Iron Finish: Zinc Plated Dims: 68mm O/All x 20mm Ø x 45mm 8.5mm Step 2no Holes Drilled & Tapped M8  ...

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NV087Z - Bottom Block - Medium

NV087Z - Bottom Block - Medium

NV087Z Bottom Block Medium Material: S.G. Iron Dims: 76mm O/All x 20mm Ø x 45mm 8.5mm Step 2no Holes Drilled & Tapped M8  ...

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NV088 - Barrel Gear - Steel - 58T x 5 DP with Steel Ring Boss 212mm Ø for 8" Tube

NV088 - Barrel Gear - Steel - 58T x 5 DP with Steel Ring Boss 212mm Ø for 8" Tube

NV088 - Barrel Gear - Steel - 58T x 5 DP with Steel Ring Boss 212mm Ø for 8" Tube Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thickness) ...

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NV089A - Bottom Block - Long Type

NV089A - Bottom Block - Long Type

NV089A Bottom Block Long Type Material: S.G.Iron Dims: 88mm O/All x 20mm x 45mm 18mm Ø x 36mm O/All 2no Holes Drilled & Tapped M8 19mm Centres 8.5mm Step      ...

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NV090 - Worm Gear - Cast - 27T with Boss

NV090 - Worm Gear - Cast - 27T with Boss

NV090 - Worm Gear - Cast - 27T with Boss Product Codes: NV090A - 27 Tooth Wormwheel - 160mm Boss NV090B - 27 Tooth Wormwheel - 120mm Boss - 5" x 10swg NV090C - 27 Tooth Wormwheel - 158mm Boss x 30mm Bearing NV090D - 27 Tooth Wormwheel - 129mm Boss - 5 1⁄2" x 5mm ...

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NV090A - Worm Gear - Cast - 27T with Bearing

NV090A - Worm Gear - Cast - 27T with Bearing

NV090A - Worm Gear - Cast - 27T with Bearing Product Codes: NV090A - 27 Tooth Wormwheel Technical Detail Material: Cast Finish: Self Colour Machined: Faced Machined: Gearcut Machined recessed for Bearing Ratio; 13.5:1 To suit NV093 Steel Worm ...

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NV093 - Worm Shaft - Steel - 2/3 Start

NV093 - Worm Shaft - Steel - 2/3 Start

NV093 - Worm Shaft - Steel - 2/3 Start Technical Detail: Material: Bright Mild Steel Finish: Self-Colour Machined as either 2 Start or 3 Start 2 Start: NV093 --- 2 Start Steel Worm - 1" Bore NV093A - 2 Start Steel Worm - 20mm Bore NV093C - 2 Start Steel Wor...

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NV094 - Mitre Gear - Steel - 15T

NV094 - Mitre Gear - Steel - 15T

NV094 - Mitre Gear - Steel - 15T Manufactured specifically for Mitre Gear Boxes. See product Code: NV121 Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pit...

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NV096 - Barrel Gear - Steel - 78T x 5DP with Steel Boss 212mm - 254mm Ø for 8" - 10" Tube

NV096 - Barrel Gear - Steel - 78T x 5DP with Steel Boss 212mm - 254mm Ø for 8" - 10" Tube

NV096 - Barrel Gear - Steel - 78T x 5DP with Steel Boss 212mm - 254mm Ø for 8" - 10" Tube Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thi...

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NV097 - Bottom Track Casting - Drilled & Plated

NV097 - Bottom Track Casting - Drilled & Plated

NV097 Bottom Track Casting, Drilled & Plated 8mm Hole...

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NV098Z - Top Block - Drilled & Zinc Plated

NV098Z - Top Block - Drilled & Zinc Plated

NV098Z Top Block - Drilled and Zinc Plated Material: Cast Iron Finish: Zinc Plated Dims: 90mm O/All x 19mm x 18mm Flat: 30mm O/all x 19mm x 18mm Machined to 60mm x 19mm x 10mm 15 Degree Chamfer to 6mm Drilled: 1no 13mm Ø Hole ...

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NV102 - Milled Shaft - Steel

NV102 - Milled Shaft - Steel

NV102   Milled Shaft NV102A Square Shaft to DRG 94090240 ...

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NV103* - Stub Shaft

NV103* - Stub Shaft

NV103    Stub Shaft - 1" Ø x 90mm Long, M16 Nut & Washer NV103A Stub Shaft - 1" Ø x 100mm Long, 30mm Collar, M16 Nut & Washer NV103B Stub Shaft - 1" Ø x 85mm Long, M16 Nut & Washer, for Double Reduction NV103C Stub Shaft - 1" Ø x 76mm Long, M16 Nut & Washer ...

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NV104* - Stub Shaft

NV104* - Stub Shaft

NV104   Stub Shaft - 25mm Ø x 75mm Long, M16 Nut & Washer NV104B Stub Shaft - 25mm Ø x 85mm Long M16 Nut & Washer NV104C Stub Shaft - 25mm Øx 95mm Long, M16 Nut & Washer ...

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NV108 - Chain Tensioner Bush - 3/4"

NV108 - Chain Tensioner Bush - 3/4"

NV108 Chain Tensioner Bush 3/4" Material: Steel Finish: Self-Colour Dims: 3.1/2" Outside diameter x 1.11/64" Wide.15/64" Rims  Machine Reamed 1" to 3/4" bush Fitted with 3/4" Bush    ...

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NV109* - 8" Chain Guide

NV109* - 8" Chain Guide

NV109 - 8" Chain Guide Zinc Plated NV109    8" Chain Guide - Standard Size NV109A 8" Chain Guide - for 35mm Shaft NV109B 8" Chain Guide - for 30mm Shaft ...

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NV112* - Chainwheel - Cast - 12” Ø Rim

NV112* - Chainwheel - Cast - 12” Ø Rim

NV112* - 12" Malleable Cast Chainwheel supplied complete with either 1" or 25mm bush. NV112C 12" Chainwheel c/w 16 Tooth Sprocket 25mm Bush NV112S 12" Chainwheel c/w 16 Tooth Sprocket ...

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NV114 - Drive Pinion - Steel - 15T x 5DP x 25mm Wide

NV114 - Drive Pinion - Steel - 15T x 5DP x 25mm Wide

NV114 - Drive Pinion - Steel - 15T x 5DP x 25mm Wide Technical Details: Manufactured to BS 436 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Machined Keyway (See Product List for Bore details) Materia...

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NV115 - Sprocket - 16T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV115 - Sprocket - 16T x ½" x ⁵⁄₁₆" Pitch - British Standard

NV115 - Sprocket - 16T x ½" x ⁵⁄₁₆" Pitch - British Standard Technical Details: Manufactured to DIN 8187 ISO/R-606 Machined Faced Machined Bored (See Product List for sizes) Machined Gearcut (See Product List for Pitch & Tooth Thickness) Product Codes: NV115 --- SP...

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NV116 - Platewheel - 60T x ½" Pitch

NV116 - Platewheel - 60T x ½" Pitch

  NV116 - Platewheel 60T x ½" Pitch Product Codes: NV116 --- Platewheel - 60T x 1⁄2" - 17⁄8" Bore - 4 Holes NV116A - Platewheel - 60T x 1⁄2" - 17⁄8" Bore - 3 Holes NV116B - Platewheel - 60T x 1⁄2" - 17⁄8" Bore NV116C - Platewheel - 60T x 1⁄2" - 1" Bore ...

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NV117 - Platewheel - 70T x ½" Pitch

NV117 - Platewheel - 70T x ½" Pitch

NV117 - Platewheel 70T x ½" Pitch Product Codes: NV117A -  70T x 1/2" Platewheel - 3 Holes NV117B - 70T x 1/2" Platewheel - 1" Plain Bore NV117C - 70T x 1/2" Platewheel - 1.1/4" Bore Please Note: Some Variants maybe made to order only. For any size not listed...

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NV118 - Platewheel - 38T

NV118 - Platewheel - 38T

NV118 - 38T x 1/2" Platewheel Product Codes: 1/2" Pitch: NV118A - PLATEWHEEL - 38T x 1/2" - 3 HOLES NV118B - PLATEWHEEL - 38T x 1/2" - 4 HOLES NV118E - PLATEWHEEL - 38T x 1/2" - PILOT BORE 5/8" Pitch: NV118C - PLATEWHEEL - 38T x 5/8" x 3/8" NV118D -&n...

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NV119 - Pole Hook Complete with Pole

NV119 - Pole Hook Complete with Pole

NV119 Pole Hook - Casting Only NV119P Pole for Pole Hook NV119S Pole Hook Complete With Pole ...

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NV121 - Mitre Gear Box

NV121 - Mitre Gear Box

2 way or 3 way Mitre Gear Boxes. NV121B Mitre Gear Box 1-1 Ratio NV121C Mitre Gear Box 2-1 Ratio NV121D Mitre Gear Box 3 Way - 1" Diameter Shafts NV121E Coupling for Mitre Gearbox - 1" Diameter Shafts NV121F 2/1 Ratio Gear Box with 24T Sprocket and ADAP... Technical Details: ...

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NV122 - Universal Joint - Steel - Chrome Plated

NV122 - Universal Joint - Steel - Chrome Plated

NV122 - Universal Joint - Steel - Chrome Plated Product Codes: NV122 Universal Joint - 1" Shaft NV122A Universal Joint - 3⁄4" Shaft NV122B Universal Joint - 1" x 20mm Technical Details: Material: Steel Finish: Chrome Plated ...

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NV123 - Drive Pinion - Steel - 20T x 5dp 28mm Wide

NV123 - Drive Pinion - Steel - 20T x 5dp 28mm Wide

NV123 - Drive Pinion - Steel - 20T x 5DP 28mm Wide Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thickness) Machined Broached: Keyway (Se...

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NV125B - Plastic Handle - for Handwheel

NV125B - Plastic Handle - for Handwheel

NV125B - Plastic Handle - for Handwheel Material:  Black Nylon Handle                Steel Threaded Shaft, Chrome Plated  ...

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NV126 - Mitre Gear - Steel -14T x ³⁄₄″ Centre Pitch

NV126 - Mitre Gear - Steel -14T x ³⁄₄″ Centre Pitch

NV126 14T x 3⁄4" Pitch Bevel Gear Technical Details: Material: Bright Mild Steel Manufactured: To BS 436 Machined: Faced Machined: Bored (See Product List for sizes) Machined: Gearcut (See Product List for Pitch & Tooth Thickness) Machined: Keyway (See Product List for Bore de...

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NV129 - Bottom Block - Long Type

NV129 - Bottom Block - Long Type

NV129 Long Type Bottom Block NV129A Long Type Bottom Block - Drilled & Yellow Passivate Plated Material: Malleable Cast Iron Finish: NV129 Self-colour, NV129A Yellow Passivate Dims:86mm O/All x 27mm W Fin 28mm H x 27mm W 41mm from End Drilled: 1 Hole - 8.5mm Ø ...

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NV130 - Bottom Block - Short Type

NV130 - Bottom Block - Short Type

NV130 Short Type Bottom Block Material: Malleable Cast Iron Finish: Yellow Passivate Dims: 69mm OL/All x 27mm W Fin: 28mm H x 27mm W x 41mm in from End Drfilled: 1 Hole 8.5mm Ø      ...

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NV131 - Spring Block – Cast – 5 ½" Tube

NV131 - Spring Block – Cast – 5 ½" Tube

NV131 - Spring Block – Cast – 5 ½" Tube Technical Details: Grey Cast Iron Machined O/D Machined Bore Plain Bore, Bushed or Needle Bearing 3 Lugs Rim Boss to each side   Product codes: NV131A - SPRING BLOCK - 5.1/2" - 132mm x 1" BEARING NV131B - S...

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Leading Supplier of Industrial Door Components

Gears, Pinions, Platewheels and Sprockets.

NVM offer a comprehensive range of gears, barrel gears, worm gears, compound gears, idler gears, platewheels and pinions. Gears are available in cast, steel or plastic to suit a wide range of applications and can be supplied with a plain bore, oilite bush, bearing or ball race or with keyways.

Whilst NVM carry an extensive range of gears, platewheels and pinions in stock we can also manufacture to customers specific requirements using our in house cnc / gear-cutting department. We also provide a short turn-around emergency service where gears can be manufactured and dispatched within 24 hours.

Castings

NVM are the largest suppliers of roller shutter door castings in the UK, and have in depth experience of servicing the industrial door market. Inner blocks, spring blocks, bearing blocks, spring anchors and support cups are all available from stock and can be supplied in plain bore, bushed or with bearings. Endlocks, Wind Endlocks and combination wind endlocks are available from stock to suit most major lath producers, although any customer specific requirements can be met. Endlocks can be supplied plain or pre-drilled and zinc plated, again all from stock.

Locks & Isolators

Pinlocks and housings are available from stock in either nickel plated steel or aluminium housing. Pinlocks can be supplied either keyed alike or upto groups of 20 different. A full range Isolator and Keyswitch boxes compliment the range and include groundlock isolators, keyswitch isolators, shootbolt isolators and double pin isolators. Cisa Padlocks, armoured padlocks, ground fixing locks and shootbolts are also available from stock. Also available are pressed steel keyswitch locking boxes and locking pad pin sets.

Chain & Chainwheels

NVM stock chainwheels ranging from 4” Ø up to 12” Ø and in a range of materials including cast, aluminium and plastic. Chainwheels can be supplied complete with sprockets or pinions, and either plain bore or bushed. Also available are chainwheel assemblies supplied complete with either fabricated or cast brackets. Chain guides, brackets and chain locking boxes are also available to suit and are stocked in either cast or steel. Standard 5.5mm Chain and drive chain are also available from stock and supplied by the metre. Connection links are also available. To complete the range, Chain Tensioners and Chain Grippers are also available.