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#25 Roller Chain

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#25 roller chain is a 1/4" pitch ANSI Standard roller chain designed for light-duty or space confined applications. It's the smallest size roller chain on the ANSI spectrum of roller chains but offers ample performance, strength, and durability for its small form factor. We supply 25 roller chain in a range of stock lengths including 10ft boxes, 50ft reels, 100ft reels, and 500ft reels right off the shelf! At USA Roller Chain we have the broadest selection of 25 chain on the market, from your standard carbon steel materials to stainless steel and even plastic materials. Notably 25 roller chain does not contain rollers, rather just bushings that come into contact with the sprocket.

#25 Chain Dimensions

#25 Chain Dimensions#25 Chain Measurements
Size Pitch (P) Bushing Width (W) Bushing Diameter (D) Overall Width (A) Plate Height (H) Plate Thickness (T) Pin Diameter (E) Weight (Per Ft)
25-1 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.09 Lbs
25-2 0.25" 0.125" 0.130" 0.567" 0.232" 0.028" 0.091" 0.17 Lbs
25-3 0.25" 0.125" 0.130" 0.819" 0.232" 0.028" 0.091" 0.26 Lbs
25-4 0.25" 0.125" 0.130" 1.071" 0.232" 0.028" 0.091" 0.35 Lbs
25-5 0.25" 0.125" 0.130" 1.327" 0.232" 0.028" 0.091" 0.44 Lbs
Note: additional information on product pages.

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25 Chain Catalog

Browse #25 chain by category or specific type below.
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Economy Plus #25 Roller Chain Economy Plus #25 Roller Chain - 10ft Box

Economy Plus #25 Roller Chain

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25-2 Double Strand Roller Chain Economy Plus #25-2 Double Strand Roller Chain - 10ft Box

#25-2 Economy Plus Roller Chain

Premium 25-3 Roller Chain Premium #25-3 Roller Chain - 10ft Box | Premier Series Chain

Premium 25-3 Roller Chain

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Economy Plus #25 Stainless Steel Roller Chain Economy Plus #25 Stainless Steel Roller Chain - 10ft Box

Stainless Steel Chain

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General Duty Plus #25-3 Triple Strand Stainless Steel Roller Chain General Duty Plus #25-3 Triple Strand Stainless Steel Roller Chain - 10ft Box

Stainless Steel Roller Chain

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Premium Quality #25-2 Double Strand Stainless Steel Roller Chain Premier Series #25-2 Double Strand Stainless Steel Roller Chain - 10ft Box

Premium Stainless Steel Roller Chain

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HKK #25 Roller Chain HKK #25 Roller Chain - 10ft Box

HKK Roller Chain

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HKK #25 Roller Chain - 100ft Reel HKK #25 Roller Chain - 100ft Reel

HKK Roller Chain

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HKK #25 Roller Chain - 500ft Reel HKK #25 Roller Chain - 500ft Reel

HKK Roller Chain

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25-2 Nickel Plated Roller Chain #25-2 Nickel Plated Roller Chain

Roller Chain

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#25 Acetal Plastic Roller Chain Plastic Chain #25 Acetal Plastic Roller Chain

Plastic Roller Chain

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#25 Kynar Plastic Roller Chain Plastic Chain #25 Kynar Plastic Roller Chain

Plastic Roller Chain

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#25 Nylatron Plastic Roller Chain Plastic Chain #25 Nylatron Plastic Roller Chain

Plastic Roller Chain

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#25 Polypropylene Plastic Roller Chain Plastic Chain #25 Polypropylene Plastic Roller Chain

Plastic Roller Chain

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#25 Delrin Plastic Roller Chain Plastic Chain #25 Delrin Plastic Roller Chain

Plastic Roller Chain

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25 DHA Roller Chain Premium #25 DHA Roller Chain

Chain

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25 Steel Detachable Chain #25 Steel Detachable Chain 10ft Coil

Steel Detachable Chain

Currently Unavailable
Economy Plus 25 Roller Chain 500ft Reel Economy Plus #25 Roller Chain - 500ft Reel

Economy Plus #25 Roller Chain

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General Duty Plus 25 Roller Chain 250ft Reel General Duty Plus #25 Roller Chain - 250ft Reel

General Duty Plus #25 Roller Chain

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Premier Series 25 Roller Chain 250ft Reel Premier Series #25 Roller Chain - 250ft Reel

Premier Series #25 Roller Chain

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Economy Plus 25 Roller Chain 100ft Reel Economy Plus #25 Roller Chain - 100ft Reel

Economy Plus #25 Roller Chain

Economy Plus 25 Roller Chain 250ft Reel Economy Plus #25 Roller Chain - 250ft Reel

Economy Plus #25 Roller Chain

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General Duty Plus Quality #25 Roller Chain General Duty Plus #25 Roller Chain - 10ft Box

ANSI Roller Chain

Our Price: $29.99
Premium 25 Roller Chain Premium #25 Roller Chain - 10ft Box | Premier Series Chain

Premium 25 Roller Chain

Our Price: $74.99
Premium #25 Nickel Plated Chain Premier Series #25 Nickel Plated Chain - 10ft Box

Nickel Plated Roller Chain

Our Price: $134.99
General Duty Plus 25 Roller Chain 50ft Reel General Duty Plus #25 Roller Chain - 50ft Reel

General Duty Plus #25 Roller Chain

Our Price: $134.99
Premium 25-2 Roller Chain Premium #25-2 Roller Chain - 10ft Box | Premier Series Chain

Premium 25-2 Roller Chain

Our Price: $149.99
25H Heavy Roller Chain Premium #25H Roller Chain - 10ft Box

Chain

Our Price: $229.99
25-stainless-steel-roller-chain Premium 25 Stainless Steel Roller Chain 10ft Box

25 Stainless Steel Roller Chain

Our Price: $249.99
General Duty Plus 25 Roller Chain 100ft Reel General Duty Plus #25 Roller Chain - 100ft Reel

General Duty Plus #25 Roller Chain

Our Price: $269.99
   
 
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Standard ANSI 25 Roller Chains

Standard #25 roller chain includes the most commonly sold carbon-steel 25 chains. We offer these chains in all three of our quality levels and in standard stock length sizes (10ft, 50ft, 100ft, 250ft, and 500ft).


Standard ANSI 25 Roller Chain DimensionsStandard ANSI 25 Roller Chain Measurements
Size Series Tensile Strength Working Load Pitch (P) Bushing Width (W) Bushing Diameter (D) Overall Width (A) Plate Height (H) Plate Thickness (T) Pin Diameter (E) Weight (Lbs/Ft)
25-1 Premier 990 Lbs 165 Lbs 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.09
25-1 General Duty Plus 900 Lbs -- 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.09
25-1 Economy Plus 900 Lbs -- 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.09
25-2 Economy Plus 1,700 Lbs -- 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.18
25-2 Premier 1,900 Lbs 265 Lbs 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.18
25-3 Premier 2,970 Lbs 396 Lbs 0.25" 0.125" 0.130" 0.307" 0.232" 0.028" 0.091" 0.27

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Heavy-Duty 25H Roller Chain

Heavy-Duty 25H Roller Chain Dimensions
The ANSI Heavy 25 roller chain employs thicker side plates than the standard version, enhancing strength, shock load resistance, and longevity. These chains are compatible with the same sprockets as regular 25 roller chains.


25H Chain Dimensions:
25H Chain Dimensions25H Chain Diagram
Chain Size
Pitch (P)
Roller Width (W)
Bushing Diameter (D)
Overall Width (A)
Plate Height (H)
Plate Thickness (T)
Pin Diameter (E)
Weight (Per Ft)
0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091" 0.12 Lbs

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Corrosion Resistant 25 Roller Chain

We offer a broad range of options for corrosion-resistant (anti-corrosive) 25 roller chain. The chart below illustrates the corrosion-resistant choices. If you need assistance in making a decision, please contact us, and we will be happy to help.


Corrosion Resistant 25 Roller ChainCorrosion Resistant 25 Roller Chain Sizes
Chain Size Material Pitch (P) Roller Width (W) Bushing Diameter (D) Overall Width (A) Plate Height (H) Plate Thickness (T) Pin Diameter (E)
25SS-304 304 Stainless Steel 0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091"
25SS-316 316 Stainless Steel 0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091"
25NP Nickel Plates 0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091"
25-COAT Dacromet Coated 0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091"
25PS Poly Steel 0.250" 0.125" 0.130" 0.354" 0.232" 0.039" 0.091"
25AC Acetal 0.250" 0.125" 0.130" 0.349" 0.250" 0.040" 0.105"
25D Delrin 0.250" 0.125" 0.130" 0.349" 0.250" 0.040" 0.105"
25KY Kynar 0.250" 0.125" 0.130" 0.349" 0.250" 0.040" 0.105"
25NY Nylatron 0.250" 0.125" 0.130" 0.349" 0.250" 0.040" 0.105"
25PP Polypropylene 0.250" 0.125" 0.130" 0.349" 0.250" 0.040" 0.105"

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25 Roller Chain Sprockets

#25 A-Plate Sprockets

#25 A-Plate Sprockets Dimensions

Sprocket Size Tooth Count Type Outside Diameter Stock Bore Weight (Lbs)
25A18 18 A 1.568" 1/4 0.04
25A19 19 A 1.648" 1/4 0.04
25A20 20 A 1.729" 1/4 0.04
25A21 21 A 1.809" 3/8 0.04
25A22 22 A 1.889" 3/8 0.06
25A23 23 A 1.969" 3/8 0.06
25A24 24 A 2.049" 3/8 0.08
25A25 25 A 2.129" 3/8 0.08
25A26 26 A 2.209" 3/8 0.09
25A28 28 A 2.369" 3/8 0.10
25A30 30 A 2.529" 3/8 0.12
25A32 32 A 2.688" 3/8 0.14
25A35 35 A -- 3/8 0.16
25A36 36 A 3.008" 3/8 0.18
25A40 40 A 3.327" 1/2 0.20
25A42 42 A -- 1/2 0.24
25A45 45 A 3.725" 1/2 0.25
25A48 48 A 3.964" 1/2 0.32
25A54 54 A 4.442" 1/2 0.38
25A60
 		60 A 4.920" 1/2 0.54
25A72 72 A 5.876" 1/2 0.74

#25 B-Hub Sprockets

#25 B-Hub Sprockets Dimensions

Sprocket Size Tooth Count Type Outside Diameter Stock Bore Recommend Max. Bore Hub Diameter Length Thru Bore Weight (Lbs)
25B9 9 B 0.837" 1/4 1/4 7/16 1/2 0.03
25B10 10 B 0.919" 1/4 1/4 1/2 1/2 0.03
25B11 11 B 1.002" 1/4 5/16 9/16 1/2 0.04
25B12 12 B 1.083" 1/4 3/8 5/8 1/2 0.06
25B13 13 B 1.167" 1/4 7/16 23/32 1/2 0.07
25B14 14 B 1.246" 1/4 9/16 13/16 1/2 0.08
25B15 15 B 1.326" 1/4 9/16 57/64 1/2 0.10
25B16 16 B 1.407" 1/4 9/16 31/32 1/2 0.12
25B17 17 B 1.487" 1/4 5/8 1-1/32 1/2 0.14
25B18 18 B 1.568" 1/4 3/4 1-1/8 1/2 0.16
25B19 19 B 1.648" 1/4 13/16 1-7/32 1/2 0.19
25B20 20 B 1.729" 1/4 7/8 1-9/32 5/8 0.25
25B21 21 B 1.809" 1/4 7/8 1-3/8 5/8 0.28
25B22 22 B 1.889" 1/4 15/16 1-7/16 5/8 0.31
25B23 23 B 1.969" 1/4 1 1-1/2 5/8 0.32
25B24 24 B 2.049" 3/8 1 1-1/2 5/8 0.33
25B25 25 B 2.129" 3/8 1 1-1/2 5/8 0.34
25B26 26 B 2.209" 3/8 1 1-1/2 5/8 0.35
25B28 28 B 2.369" 3/8 1 1-1/2 5/8 0.36
25B30 30 B 2.529" 3/8 1 1-1/2 5/8 0.38
25B32 32 B 2.688" 3/8 1 1-1/2 5/8 0.40
25B36 36 B 3.008" 3/8 1 1-1/2 3/4 0.50
25B40 40 B 3.327" 1/2 1-3/8 2 3/4 0.53
25B45 45 B 3.725" 1/2 1-3/8 2 3/4 0.56
25B48 48 B 3.964" 1/2 1-3/8 2 3/4 0.56
25B54 54 B 4.442" 1/2 1-3/8 2 3/4 1.00
25B60 60 B 4.920" 1/2 1-3/8 2 3/4 1.10
25B70 70 B 5.717" 1/2 1-3/8 2 3/4 1.25
25B72 72 B 5.876" 1/2 1-3/8 2 3/4 1.30

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How to Order #25 Roller Chain

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