Zoro Homepage
Clipboard Icon Quick Order
Cart Icon 0 Cart
  1. Home
  2. /
  3. Power Transmission
  4. /
  5. Bearings, V-belts & Power Transmission Equipment
  6. /
  7. Couplings, Collars, & Adapters
  8. /
  9. Rigid Clamp Couplings
  10. /
  11. Coupling, 6 Beam Set Screw, 12mmx8mm
Ruland Coupling, 6 Beam Set Screw, 12mmx8mm FSMR25-12-8-A - main

Coupling, 6 Beam Set Screw, 12mmx8mm

  • Mfr # FSMR25-12-8-A

  • Zoro # G8454932

product price: $42.15
/ea

Key Features

Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Bore Dia.
12mm x 8mm
Material - Couplings
Aluminum
Outside Dia.
25.4 mm
See all product information
Get a 10% off coupon
Free 30-day returns
Return Policy
Get 30 days to pay with Net 30
Apply Now
Real support from real people
Contact our U.S. based team

Specifications

Product Information

MFR #
FSMR25-12-8-A
Zoro #
G8454932
UPC #
634529010730
Country of Origin
United States

Dimensions

Bore Dia.
12mm x 8mm
Outside Dia.
25.4 mm
Overall Length
38.1 mm
Screw Size (mm)
M5
Length through Bore (mm)
17.87
Overall Length (In.)
1.5
Length through Bore (In.)
0.704
Overall Length (mm)
38.1
Size
FSMR25
Outside Dia. (In.)
1
Length through Bore
17.87 mm
Clearance Dia. (In.)
1.459 in
Clearance Dia. (mm)
37.06
Outside Dia. (mm)
25.4
Screw Size
M5
Bore Diameter 2
8 mm
Bore Diameter 1
12 mm
Length Through Bore 1
18.3 in
Screw Thread Size
M5
Coupling Outside Diameter
25.4 mm
Different Bore Sizes
Yes
Length Through Bore 2
18.3 in

Details

Item
Motion Control Coupling
Shaft Locking Type - Couplings
1 Piece Set Screw
System of Measurement
Metric
Material - Couplings
Aluminum
Finish
Bright
Max. RPM
6,000 RPM
Setscrew Location
2 (120 Degrees )
Style
6-Beam Set Screw
Max. Angular Misalignment
3 Degrees
Max. Bore (mm)
12 mm
Min. Bore (mm)
8
Material
Aluminum
Max. Axial Misalignment (In.)
+/-0.01
Max. Temp. Range (F)
225 Degrees
Rated Torque
25 in-lb
Max. Temp.
225 Degrees F
Max. Parallel Misalignment (In.)
0.015 in
Item - Motion Control Couplings
Motion Control Coupling
Torque (In.-Lbs.)
25
Screw Type
Set Screw
Torsional Stiffness (Deg./In.-Lbs.)
0.177
Application
Light-Duty Power Transmission, Servo Motors to Lead Screws
Standards
Conflict Minerals Compliant, DIN 912 12.9, REACH Compliant, RoHS3 Compliant
Bore Tolerance
+0.025/-0.000 mm
Screw Material
Alloy Steel
For Misalignment Type
Angular, Axial, Parallel
Maximum Torque
2.82 N-m
For Environment
Angular Misalignment, Axial Motion, Parallel Misalignment
Number of Locking Screws
4
Maximum Operating Temperature
107 Degrees C
Screw Material Finish
Black Oxide
Series
FSMR
Bore Type
Round
Fastener Tightening Torque
4 N-m
Parallel Misalignment
0.38 mm
Angular Misalignment
3 Degrees
Maximum Speed
6,000 RPM
Axial Motion
0.25 mm
Coupling Material Finish
Bright
Torsional Stiffness
0.64 N-m/Deg
Dynamic Torque Reversing
0.71 N-m
Number of Beams
6
Minimum Operating Temperature
-40 Degrees C
Coupling Material
Aluminum
Shaft Locking Type
Set Screw
Shaft Tolerance
+0.000/-0.013 mm
Included Screws
(4) Set Screw
Dynamic Torque Non-Reversing
1.41 N-m
Coupling Material Grade
7075
Zero Backlash
Yes
Moment of Inertia
0.00000412 kgf/m sq
Features
Balanced Design for Reduced Vibration
Full Bearing Support Required
Yes

Description

Motion Control Coupling, Angular Misalignment 3 Degrees , Bore Diameter 1 12 mm, Bore Diameter 2 8 mm, Coupling Material Aluminum, Coupling Outside Diameter 25.4 mm, Maximum Speed 6,000 RPM, Maximum Torque 2.82 N-m, Axial Motion 0.25 mm, Overall Length 38.1 mm, Parallel Misalignment 0.38 mm, System of Measurement Metric, Different Bore Sizes Yes, Torsional Stiffness 0.64 N-m/Deg, Bore Type Round, Shaft Locking Type Set Screw, Number of Beams 6, Length Through Bore 2 18.3 in

Restrictions

WARNING: Cancer and Reproductive Harm For more information go to www.P65Warnings.ca.gov

Ratings & Reviews

3 Reasons You Can Count On Us

  • Supplies for every job.

    Supplies for every job.

    10 million items and the exact one you need.

  • When you need it fast, count on Zoro!

    When you need it fast, count on Zoro!

    2 million products ship in 1 day.

  • Stretch your budget further.

    Stretch your budget further.

    Everyday low prices on the brands you love.

Explore More Products