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  • TR flanges are similar to the TF style, but allow for the Taper Lock Bushing to be mounted and removed from the reverse or serration side of the flange
  • The limited torque ratings of the Taper Lock Bushings allow TR flanges to only be used with EPDM or Neoprene sleeves
  • Different bushing sizes are used, so they have different maximum bores than the TF flanges
  • Sizes 6 through 16 are available
Unit of Measure

Specifications

Description 

 N/A 8TR-FLNG-TAPER STD UNC THREAD

Coupling Size

 N/A 8TR

Type

 N/A Coupling Flange

Material

 N/A Cast Iron

Weight

 N/A 17.00 lb

Color

 N/A Gray

Bore Type

 N/A Bored to Accept 1215/1210 Taper Lock Bushing

Mount Type

 N/A Rear

Bushing Required

 N/A 1215/1210

Coupling Type

 N/A S-Flex

UNC Flange UPC Number

 N/A 62274

Dimensional Data

Keyway Size (W x D)

 N/A No Keyway

Hub Diameter

 N/A 3.250 in82.55 mm

Dimension L

 N/A 1.940 in49.28 mm

Outside Diameter

 N/A 5.450 in138.43 mm

Overall Length

 N/A 5.00 in127.00 mm

Max. Bore (Dimensions ID1/ID2)

 N/A 1.250 in31.00 mm

Dimension FL

 N/A 0.910 in23.11 mm

Dimension G

 N/A 1.130 in28.70 mm

Dimension P

 N/A 1.030 in26.16 mm

Dimension R

 N/A 1.500 in38.10 mm

Bushing Screw Size

 N/A 3/8-16

Cubic inches

 N/A 57.62285 in³

Performance Data

Nominal Torque (with EPDM Sleeve)

 N/A 1135 in·lb

Max. Speed

 N/A 4500 rpm

Torsional Stiffness

 N/A 4335.00 in·lb/rad

Rated HP at 100 rpm

 N/A 1.80 hp

Rated HP at 1,200 rpm

 N/A 22.00 hp

Rated HP at 1,800 rpm

 N/A 32.00 hp

Rated HP at 3,600 rpm

 N/A 65.00 hp

Notes

Notes 

 N/A
  • Be sure to determine if the bushing being used has either UNC threads (60°) or British Standard Whitworth B.S.W. threads (55°). In the U.S.A. the UNC type is predominant for both inch and metric bores. Outside of the U.S.A. it is most common to see B.S.W., especially on metric bores.
  • All above data refers to both standard UNC and British Standard Whitworth B.S.W. threads. Flanges are not supplied with screws.
  • Use of a 1210 or 1610 bushing reduces the reserve factor between bushing torque rating and that of the coupling.
  • Taper-Lock® is a registered trademark of Reliance Electric Industrial Company in the United States and Canada. It is a registered trademark of JH Fenner and Co. in the United Kingdom.