Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
APPROVED VENDOR Roller: 7/8 in Wd - Hanging Door Rollers
APPROVED VENDORHanging Door Rollers

APPROVED VENDOR Roller: 7/8 in Wd

The APPROVED VENDOR Roller (MPN 21-52) is a hanging door roller with a 7/8 in width and a maximum weight capacity of 150 lb. This roller is designed for use in industrial door systems, providing a straightforward…

SKU 3G-OTH-510558

Brand
APPROVED VENDOR
Item
Roller: 7/8 in Wd
Category
Hanging Door Rollers
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

APPROVED VENDOR
Manufacturer Part Number
21-52
Max Wt
150 lb
Product Type
Roller
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

APPROVED VENDOR Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The APPROVED VENDOR Roller (MPN 21-52) is a hanging door roller with a 7/8 in width and a maximum weight capacity of 150 lb. This roller is designed for use in industrial door systems, providing a straightforward solution for door movement.

Frequently Asked Questions

What is the APPROVED VENDOR Roller 21-52 used for?

The APPROVED VENDOR Roller 21-52 is used in industrial hanging door systems to support and guide door movement. It is designed for applications where a 7/8 in wide roller with a 150 lb maximum weight capacity is required, such as warehouse or factory doors.

What are the specifications of the APPROVED VENDOR Roller 21-52?

The APPROVED VENDOR Roller 21-52 has a product type of roller, a width of 7/8 in, and a maximum weight capacity of 150 lb. The manufacturer part number is 21-52. It is a hanging door roller suitable for industrial door systems.

Where to buy the APPROVED VENDOR Roller 21-52 worldwide?

3G Electric supplies the APPROVED VENDOR Roller 21-52 to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this hanging door roller for your industrial door system.

How to install the APPROVED VENDOR Roller 21-52?

To install the APPROVED VENDOR Roller 21-52, first ensure the door track is clean and aligned. Slide the roller into the track and secure it to the door bracket using the appropriate fasteners. Always follow the manufacturer's guidelines and use proper safety equipment.

Used in

Common applications for APPROVED VENDOR
Laboratory sampling — APPROVED VENDOR clear wide mouth glass bottles for collecting and storing liquid samples in non-sterile environments.
Steam heating maintenance — APPROVED VENDOR forged brass radiator valves for regulating steam flow in commercial building heating systems.
High-pressure cleaning — APPROVED VENDOR turbo spray nozzles for pressure washers used in industrial equipment cleaning up to 6,000 psi.
Cleanroom operations — APPROVED VENDOR vinyl task chairs for seating in ISO 5 classified manufacturing or assembly areas.
General sealing — APPROVED VENDOR natural rubber stoppers for closing laboratory flasks or test tubes in educational or research settings.
Tamper-evident security — APPROVED VENDOR brass lead and wire seals for securing utility meters, cargo containers, or access panels.

APPROVED VENDOR Products

3G Electric supplies APPROVED VENDOR hanging door rollers. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from APPROVED VENDOR

View all APPROVED VENDOR parts →
APPROVED VENDOR Roller: 1 1/16 in Lg, 9/16 in Wd, 150 lb Max Wt (MPN 9-273). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller: 1 1/16 in Lg, 9/16 in Wd, 150 lb Max Wt (MPN 9-273). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR Roller: 1 5/32 in Lg, 13/16 in Wd, 150 lb Max Wt (MPN 9-215). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller: 1 5/32 in Lg, 13/16 in Wd, 150 lb Max Wt (MPN 9-215). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR Hanger: 2 1/2 in Lg, 2 in Wd, 150 lb Max Wt (MPN 3-164). Key specifications — Product Type: Hanger; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Hanger: 2 1/2 in Lg, 2 in Wd, 150 lb Max Wt (MPN 3-164). Key specifications — Product Type: Hanger; Brand: APPROVED VENDOR.
APPROVED VENDOR Hanger: 2 1/2 in Lg, 1 3/8 in Wd, 150 lb Max Wt (MPN 3-153). Key specifications — Product Type: Hanger; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Hanger: 2 1/2 in Lg, 1 3/8 in Wd, 150 lb Max Wt (MPN 3-153). Key specifications — Product Type: Hanger; Brand: APPROVED VENDOR.
APPROVED VENDOR Roller Bracket: 4 5/8 in Lg, 3 3/16 in Wd, 600 lb Max Wt (MPN 4PE62). Key specifications — Product Type: Roller Bracket; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller Bracket: 4 5/8 in Lg, 3 3/16 in Wd, 600 lb Max Wt (MPN 4PE62). Key specifications — Product Type: Roller Bracket; Brand: APPROVED VENDOR.
APPROVED VENDOR Roller: 2 1/32 in Lg, 13/32 in Wd, 25 lb Max Wt (MPN 10-396). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller: 2 1/32 in Lg, 13/32 in Wd, 25 lb Max Wt (MPN 10-396). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR Roller: 2 5/8 in Lg, 1 in Wd, 150 lb Max Wt (MPN 9-279). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller: 2 5/8 in Lg, 1 in Wd, 150 lb Max Wt (MPN 9-279). Key specifications — Product Type: Roller; Brand: APPROVED VENDOR.
APPROVED VENDOR Roller Bracket: 4 5/8 in Lg, 3 3/16 in Wd, 450 lb Max Wt (MPN 4PE61). Key specifications — Product Type: Roller Bracket; Brand: APPROVED VENDOR.
APPROVED VENDOR
APPROVED VENDOR Roller Bracket: 4 5/8 in Lg, 3 3/16 in Wd, 450 lb Max Wt (MPN 4PE61). Key specifications — Product Type: Roller Bracket; Brand: APPROVED VENDOR.