All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > S-Flex Endurance® Couplings > TR (Rear Mount) Type Flanges for use with Taper-Lock® Bushings > Part Number 68514462274  

Part Number 68514462274, TR (Rear Mount) Type Flanges for use with Taper-Lock® Bushings

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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





Specifications  · Dimensional Data  · Performance Data  · Notes

Specifications

Description 
8TR-FLNG-TAPER STD UNC THREAD

Coupling Size
8TR

Type
Coupling Flange

Material
Cast Iron

Weight
17.00 lb

Color
Gray

Bore Type
Bored to Accept 1215/1210 Taper Lock Bushing

Mount Type
Rear

Bushing Required
1215/1210

Coupling Type
S-Flex

UNC Flange UPC Number
62274


Dimensional Data

Keyway Size (W x D)
No Keyway

Hub Diameter
3.250 in
82.55 mm

Dimension L
1.940 in
49.28 mm

Outside Diameter
5.450 in
138.43 mm

Overall Length
5.00 in
127.00 mm

Max. Bore (Dimensions ID1/ID2)
1.250 in
31.00 mm

Dimension FL
0.910 in
23.11 mm

Dimension G
1.130 in
28.70 mm

Dimension P
1.030 in
26.16 mm

Dimension R
1.500 in
38.10 mm

Bushing Screw Size
3/8-16

Cubic inches
57.62285 in³


Performance Data

Nominal Torque (with EPDM Sleeve)
1135 in·lb

Max. Speed
4500 rpm

Torsional Stiffness
4335.00 in·lb/rad

Rated HP at 100 rpm
1.80 hp

Rated HP at 1,200 rpm
22.00 hp

Rated HP at 1,800 rpm
32.00 hp

Rated HP at 3,600 rpm
65.00 hp


Notes

Notes 
  • 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.


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S-Flex Endurance Installation Video