WINertia ST- Smooth Tubing

WINlock Bearing Protection
Dynamic Center-WIN balancing
WINertia™ Self-Aligning Bearings

Specifications
Product Overview

ST 2.0 x 1.5

Finished Roll Diameter1.960/1.880"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available .75"
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 No Balance
Shaft Diameter Tolerance .0005 / -.0015 (Ex: 1.0" = .9995/ .9985)
End Cap No end cap
Approximate weight .100 Pounds Per Inch (without shaft or bearings)

ST 2.5 x 2

Finished Roll Diameter2.500/2.400"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap No end cap
Approximate weight .166 Pounds Per Inch (without shaft or bearings)

ST 3 x 2 Lite

Finished Roll Diameter3.070/3.020"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .187 Pounds Per Inch (without shaft or bearings)

ST 3.1 x 1.5

Finished Roll Diameter3.04/3.020"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available .75"
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .149 Pounds Per Inch (without shaft or bearings)

ST 3.1 x 2

Finished Roll Diameter3.175/3.075"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .266 Pounds Per Inch (without shaft or bearings)

ST 4 x 2

Finished Roll Diameter4.070/3.950"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .345 Pounds Per Inch (Without shaft and bearings)

ST 4 x 3

Finished Roll Diameter4.150/4.075"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap No end cap
Approximate weight .410 Pounds Per Inch (Without shaft and bearings)

ST 4.5 x 3

Finished Roll Diameter4.500/4.400"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap No end cap
Approximate weight .529 Pounds Per Inch (Without shaft and bearings)

ST 5 x 2

Finished Roll Diameter5.080/4.940"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .533 Pounds Per Inch (without shaft or bearings)

ST 5 x 3

Finished Roll Diameter5.050/4.900"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap No end cap
Approximate weight .585 Pounds Per Inch (without shaft or bearings)

ST 6 x 2

Finished Roll Diameter6.100/5.950"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.0", 1.25", 25mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .7155 Pounds Per Inch (Without shaft and bearings)

ST 6 x 3

Finished Roll Diameter6.050/5.900"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight .717 Pounds Per Inch (without shaft or bearings)

ST 7.5 x 3

Finished Roll Diameter7.525/7.350"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight 1.079 Pounds Per Inch (Without shaft and bearings)

ST 8 x 3

Finished Roll Diameter8.000/7.750"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight 1.26 Pounds Per Inch (Without shafts or bearings)

ST 10 x 3

Finished Roll Diameter9.970/9.770"
Total Indicator Run Out (TIR).0005 Per Foot (.002 Min) Ra
Surface Finish16 ra, 32 ra, 64ra, or 125 ra
Bore Available Ring Clip Bore (Bearing protrusion available)
Bearing Sizes Available 1.5", 2", 40mm
Bearing Type Self Adjusting, ER, Free Spin
Balanced to Spec G6.3 2000 FPM (or as specified)
Shaft Diameter Tolerance -.0005 / -.0015 (Ex: 1.0" = .9995/.9985)
End Cap Standard
Approximate weight 1.484 Pounds Per Inch (Headers weigh 3.4 pounds each)

The WINertia™ ST aluminum dead shaft idler rollers give you up to 30% less rotational inertia than standard aluminum idlers. This versatile idler has WINertia™ Bearings, and many know it for its durability, high performance, and easy installation. This highly engineered idler features our exclusive WINlock Bearing Protection, Dynamic Center-WIN balancing, and ultra free spin WINertia™ Bearings.

WINertia ST- Smooth Tubing

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