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BCK50-22-20-A
Manufacturer
Ruland
Description
1 3/8" X 1 1/4" Bores
3.125", Od, 3.816" Length
Bellows Coupling With Keyways
High Stiffness
Aluminum
3.125", Od, 3.816" Length
Bellows Coupling With Keyways
High Stiffness
Aluminum
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Please contact our sales managers or request a call they are ready to solve any of your questions.
(800) 228-8895 Request a callSpecifications
Brand
Ruland
Torsional Stiffness
3500 lb-in/deg
Shaft Tolerance
+0.0000 in / -0.0005 in
Zero-Backlash?
Yes
Balanced Design
Yes
UNSPC
31163018
Cap Screw
M8
Static Torque
1350 lb-in
Dynamic Torque Reversing
337.5 lb-in
Hex Wrench Size
6.0 mm
Maximum Speed
10000 RPM
Angular Misalignment
2.0 deg
Parallel Misalignment
0.012 in
Axial Motion
0.030 in
Bellows Attachment Method
Epoxy
Length Tolerance
+/- 0.030 in
Recommended Hex Key
Metric Hex Keys
B1 Min Shaft Penetration
0.875 in
Temperature
-40°F to 200°F (-40°C to 93°C)
Product Group
Bellows Coupling Standard Length
Dynamic Torque Non-Reversing
675 lb-in
Bore Tolerance
+0.001 in / -0.000 in
B2 Max Shaft Penetration
1.750 in
Material
Aluminum
Bore (B1)
1.3750 in
Bore (B2)
1.2500 in
Keyway
Yes
Keyway (K1)
5/16 in
Keyway (K2)
1/4 in
B1 Max Shaft Penetration
1.750 in
Seating Torque
39 Nm
Screw Material
Alloy Steel
Length (L)
3.808 in (96.7 mm)
Screw Finish
Black Oxide
ISO 9001:2015
Certified
REACH
Compliant
RoHS3
Compliant
Conflict Minerals
Compliant
Tariff Code
8483.60.8000
Number of Screws
2
O.D. (D)
3.125 in (79.4 mm)
B2 Min Shaft Penetration
0.875 in
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40, 687 bearings from stock
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In stock in our warehouse in the US
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Product Added to Cart and Back Orders
Product Added to Back Orders
15 items added to cart, can be ordered and shipped today.
Within 24 hours, our sales team will contact you about the 10 Back Ordered products.
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