Home | Power Transmission | Gear Reducers For Electric Motors |
Shaft Mount Reducer Accessories

Shaft Mount Reducer Accessories

We have a full line of premium quality accessories for shaft mount reducers in stock! To get pricing or additional information please contact us and we will be happy to assist you.



Backstop Assemblies
Box Size 2 Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
SMR2BSK SMR3BSK SMR4BSK SMR5BSK SMR6/7BSK SMR6/7BSK SMR8/9BSK SMR8/9BSK SMR10BSK
WSMR2BSK WSMR3BSK WSMR4BSK WSMR5BSK WSMR6BSK WSMR7BSK WSMR8BSK WSMR9BSK
NOTE: Backstop Assemblies are designed and built for use in specific shaft mount reducer models. These are safety devices and should never be interchanged. Use only WSMR#BSK model number backstop assemblies in "Ultimate" series WSMR reducers by World Wide Electric and SMR#BSK model number backstop assemblies in the "Original" series SMR reducers.

Motor Mounts

Box Size 2 Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
MM2 MM3A MM4 MM5A MM6A MM7 MM8 MM9 MM10
NOTE: These motor mounts are manufactured out of heavy gauge steel for NEMA frame motors and feature an adjustable top plate for belt tensioning.

Belt Guards

Box Size 2 Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
BG2 BG3 BG4 BG5 BG6 BG7 BG8 BG9 BG10
NOTE: These belt guards have a slotted metal panel construction and use a hinge design for easy belt and pulley access. The belt guard assembles to reducer and motor mount holes and are easy to mount.

Torque Arms

Box Size 2 Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
SMR2-TA SMR3-TA SMR4-TA SMR5-TA SMR6-TA SMR7-TA SMR8-TA SMR9-TA SMR10-TA
WSMR2-TA WSMR3-TA WSMR4-TA WSMR5-TA WSMR6-TA WSMR7-TA WSMR8-TA

NOTE: WSMR#-TA torque arms are designed for the "Ultimate Series" reducers that are manufactured by World Wide Electric. SMR#-TA torque arms are manufactured for the standard/ original style reducers.

Rebuild Kits

Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
SMR315RBKIT SMR415RBKIT SMR515RBKIT SMR615RBKIT SMR715RBKIT SMR815RBKIT SMR915RBKIT SMR1015RBKIT
SMR325RBKIT SMR425RBKIT SMR525RBKIT SMR625RBKIT SMR725RBKIT SMR825RBKIT SMR925RBKIT SMR1025RBKIT
NOTE: Rebuild kits include high speed input shaft, first gear reduction, input bearings, input seal, and output seals.

Tapered Bushing Kits

Box Size 2 Box Size 3 Box Size 4 Box Size 5 Box Size 6 Box Size 7 Box Size 8 Box Size 9 Box Size 10
2WTBK
1-1/4"
3WTBK
1-11/16"
4WTBK
1-15/16"
5WTBK
2-3/16"
6WTBK
2-1/2"
7WTBK
2-7/16"
8WTBK
2-15/16"
9WTBK
3-7/16"
10WTBK
3-15/16"
2WTBK
1-5/16"
3WTBK
1-3/4"
4WTBK
2"
5WTBK
2-1/4"
6WTBK
2-11/16"
7WTBK
2-11/16"
8WTBK
3-7/16"
9WTBK
3-15/16"
10WTBK
4-7/16"
2WTBK
1-3/8"
3WTBK
1-7/8"
4WTBK
2-1/8"
5WTBK
2-7/16"
6WTBK
2-7/8"
7WTBK
2-15/16"
8WTBK
3-15/16"
9WTBK
4-7/16"
10WTBK
4-15/16"
2WTBK
1-7/16"
3WTBK
1-15/16"
4WTBK
2-3/16"
5WTBK
2-1/2"
6WTBK
2-15/16"
7WTBK
3"
8WTBK
4-3/16"
9WTBK
4-15/16"
10WTBK
5-7/16"
2WTBK
1-1/2"
3WTBK
2"
4WTBK
2-1/4"
5WTBK
2-11/16"
6WTBK
3"
7WTBK
3-7/16"
8WTBK
4-7/16"
-- --
2WTBK
1-5/8"
3WTBK
2-3/16"
4WTBK
2-7/16
"
5WTBK
2-15/16"
6WTBK
3-7/16"
7WTBK
3-15/16"
-- -- --
2WTBK
1-11/16"
-- -- -- -- -- -- -- --
2WTBK
1-3/4"
-- -- -- -- -- -- -- --
2WTBK
1-15/16"
-- -- -- -- -- -- -- --
NOTE: Tapered bushing kits include fastening bolts and full length of key-stock for the keyway.



Frequently Asked Questions

  • If your order is less than $300, no problem! Please give us a call at 407-347-3519 or email Sales@usarollerchain.com, and we will be happy to assist you!

  • USA Roller Chain utilizes an extensive network of vendors and warehouses to ensure you get your items quickly! Our primary roller chain warehouse is located in Clermont, FL, but we have warehouses located all across the United States. Your order will be shipped from the closest warehouse to you that has your requested product in stock. This speeds up transit times and saves you money on shipping! If you have any questions about where an item will ship from, please CONTACT US

  • In-stock items are typically shipped out in 1-3 business days.Made-to-order item lead times vary from 1-2 days up to 14-20+ weeks, depending on the product. If you need your items urgently, please let us know, and we will do our best to meet your required delivery date! If you have any questions, please CONTACT US

  • If you are having an issue with your order, please CONTACT US as soon as possible so we can resolve it for you.

    Most in-stock items can be returned within 30 days of the shipment date. MTO or Custom orders are not eligible for a return or refund. For a detailed explanation of our return policies, please click here.

  • Absolutely! We may be called "USA Roller Chain", but we ship worldwide! Please CONTACT US for Export/International quotes or orders.