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Dimensional Drawing

■Dimensional tolerances
without command
(Bolts/nuts and retaining
ring groove not included)
Overor LessTolerance
0.53±0.1
36±0.1
630±0.2
30120±0.3
120400±0.5
[ ! ]Compliant with JIS B
0405 Class m (intermediate).

[Tension Pins]


[ ! ] When tightening or loosening nuts (4), please use a wrench for the wrench flats W.
Type[ M ]Material[ S ]Surface Treatment
Mounting plateTension PinSlide PlateTension Block
TNSREN 1.0038 Equiv.EN 1.1191 Equiv.EN 1.1191 Equiv.
(Precision Casting)		EN 1.0038 Equiv.Black oxide
TNSNElectroless Nickel Plating
Type①Adjustment Screw
[ M ]Material[ S ]Surface Treatment
TNSREN 1.0214 Equiv.Trivalent chromate
TNSNEN 1.4567 Euqiv.ー

Specification Table

Part Number—Y—F
TNSR20
TNSN15		—
—		Y15
Y20		—
—		F12
F32
■Tension Pin Dimension Details
Dg6VdtPHWM
(Coarse)
10139.65131511M8
121511.513
152014.38162017M10
172216.2172419M12
2024192422
■TNSR Accessory
Dg6(1)
Adjustment Screw		(2)
Nut		(3) (2 pcs.)
Hex Socket Head Cap Screw		(4)
Nut		(5) (2 pcs.)
Hex Socket Head Cap Screw		(6) (2 pcs.)
Plain Washer		(7)
C Type Retaining Ring
10M6 × 55LBNR6CB4−16LBNR8CB5−10PWF5STWN10
12STWN12
15M8 × 60LBNR8CB5−22LBNR10CB5−14STWN15
17LBNR12CB6−16PWF6STWN17
20STWN20
■TNSN Accessory
Dg6(1)
Adjustment Screw		(2)
Nut		(3) (2 pcs.)
Hex Socket Head Cap
Stainless Steel Bolt		(4)
Nut		(5) (2 pcs.)
Hex Socket Head Cap
Stainless Steel Bolt		(6) (2 pcs.)
Plain Washer		(7)
C Type Retaining Ring
10M6 × 55SLBNR6SCB4−16SLBNR8SCB5−10SPWF5STWS10
12STWS12
15M8 × 60SLBNR8SCB5−22SLBNR10SCB5−14STWS15
17SLBNR12SCB6−16SPWF6STWS17
20STWS20
Part Number1 mm IncrementsST
(Stroke)		ABTJC1C2EGKSXZN
TypeDg6YF
TNSR
TNSN		1010 to 508 to 50251205062455503542.022.557.514215.5
12
1512 to 6010 to 50251255593157.552.54048.525.56019296.6
1730140603070552762.5
20
When D = 10 and·12, Y + F ≤ 80
When D = 15 to 20, Y + F ≤ 120
For the F dim., specify a value identical to the width of the bearing included with the current idler. (Tolerance of F dimension is 0 to +0.1 mm)

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  1. 1
Part Number
TNSN10-Y[10-50/1]-F[8-50/1]
TNSN12-Y[10-50/1]-F[8-50/1]
TNSN15-Y[12-60/1]-F[10-50/1]
TNSN17-Y[12-60/1]-F[10-50/1]
TNSN20-Y[12-60/1]-F[10-50/1]
TNSR10-Y[10-50/1]-F[8-50/1]
TNSR12-Y[10-50/1]-F[8-50/1]
TNSR15-Y[12-60/1]-F[10-50/1]
TNSR17-Y[12-60/1]-F[10-50/1]
TNSR20-Y[12-60/1]-F[10-50/1]
Part NumberMinimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSSurface Treatment D
(mm) 		F
(mm) 		Y
(mm)
1 9 Days 10Electroless Nickel Plating108 ～ 5010 ～ 50
1 9 Days 10Electroless Nickel Plating128 ～ 5010 ～ 50
1 9 Days 10Electroless Nickel Plating1510 ～ 5012 ～ 60
1 9 Days 10Electroless Nickel Plating1710 ～ 5012 ～ 60
1 9 Days 10Electroless Nickel Plating2010 ～ 5012 ～ 60
1 9 Days 10Black Oxide108 ～ 5010 ～ 50
1 9 Days 10Black Oxide128 ～ 5010 ～ 50
1 9 Days 10Black Oxide1510 ～ 5012 ～ 60
1 9 Days 10Black Oxide1710 ～ 5012 ～ 60
1 9 Days 10Black Oxide2010 ～ 5012 ～ 60

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  1. 1

Specifications/Overview

[Applicable idlers]
·Chain Idlers
·Idlers with Teeth for Timing Belt
·Idlers for Timing Belts
·Idler for Flat Belt
 

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Basic Attributes

  • Surface Treatment

    • Black Oxide
    • Electroless Nickel Plating

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  • D(mm)

    • 10
    • 12
    • 15
    • 17
    • 20

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  • F(mm)

     [8-50/1mm Unit(s)]

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  • Y(mm)

     [10-60/1mm Unit(s)]

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  • Type

    • TNSN
    • TNSR

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