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

3G Electric
PRIME-LINE Tension Spring Roller - Screen Door Hardware
PRIME-LINEScreen Door Hardware

PRIME-LINE Tension Spring Roller

The PRIME-LINE Tension Spring Roller (MPN B 747) is a screen door hardware component with a 7 7/16 in overall height, supplied in an unfinished gray finish. Sold as a 1 PR (pair), this tension spring roller is…

SKU 3G-OTH-532614

Also listed as: B747 · B-747

Brand
PRIME-LINE
Item
Tension Spring Roller
Part Number
B 747
Category
Screen Door Hardware
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PRIME-LINE
Manufacturer Part Number
B 747
Type
Unfinished
PR
1
Color
Gray
Finish
Unfinished
Overall Ht
7 7/16 in
Product Type
Tension Spring Roller

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

PRIME-LINE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PRIME-LINE Tension Spring Roller (MPN B 747) is a screen door hardware component with a 7 7/16 in overall height, supplied in an unfinished gray finish. Sold as a 1 PR (pair), this tension spring roller is designed for use in sliding screen door assemblies.

Frequently Asked Questions

What is a PRIME-LINE tension spring roller used for?

A PRIME-LINE tension spring roller is a screen door hardware component used in sliding screen door assemblies. It provides tension to keep the door properly aligned and rolling smoothly within its track, ensuring reliable operation for residential and light-commercial screen doors.

What are the specifications of the PRIME-LINE B 747 tension spring roller?

The PRIME-LINE B 747 tension spring roller has an overall height of 7 7/16 in, an unfinished gray finish, and is sold as a 1 PR (pair). It is designed for sliding screen door assemblies and is manufactured by PRIME-LINE.

Where to buy PRIME-LINE tension spring rollers worldwide?

3G Electric supplies PRIME-LINE tension spring rollers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this screen door hardware to your facility, no matter the location. Contact us for availability and lead time.

How to install a PRIME-LINE tension spring roller on a screen door?

To install a PRIME-LINE tension spring roller, first remove the old roller from the screen door bottom rail. Insert the new roller into the bracket, ensuring the spring engages correctly. Adjust the tension screw to align the door vertically, then test the sliding motion. Always follow the door manufacturer's instructions.

Used in

Common applications for PRIME-LINE
Residential garage door repair — PRIME-LINE keyed T-handles (GD 52169) for replacing broken lock handles on sectional doors.
Light-commercial door maintenance — PRIME-LINE spring cables (GD 52102) for torsion spring systems on warehouse overhead doors.
Sliding door security — PRIME-LINE slide locks (GD 52118) for bolting sliding garage doors in industrial storage facilities.
Garage door safety — PRIME-LINE stop balls (GD 52286) as travel limit stops on automatic door openers.
Extension spring door systems — PRIME-LINE extension cables (GD 52263) for replacing worn cables on residential garage doors.
Cabinet and locker hardware — PRIME-LINE keyed L-handles (GD 52123) for securing storage cabinets in maintenance shops.
Not sure this is the right part? Photo-identify it

PRIME-LINE Products

3G Electric supplies PRIME-LINE screen door hardware. 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 PRIME-LINE

View all PRIME-LINE parts
This zinc-plated silver keeper is designed for use with screen doors, storm doors, or cabinet doors to provide a latching point. It measures 1-1/4 inches in height, 1/4 inch in length, and 3/8 inch in width. Supplied as a single unit
PRIME-LINE
This zinc-plated silver keeper is designed for use with screen doors, storm doors, or cabinet doors to provide a latching point. It measures 1-1/4 inches in height, 1/4 inch in length, and 3/8 inch in width. Supplied as a single unit
Silver sliding handle and latch kit for screen doors. Overall height 2 5/8 in, overall length 1 9/16 in. Used to replace or repair the handle and latch assembly on sliding screen doors
PRIME-LINE
Silver sliding handle and latch kit for screen doors. Overall height 2 5/8 in, overall length 1 9/16 in. Used to replace or repair the handle and latch assembly on sliding screen doors
Tension spring roller for sliding screen doors, maintaining tension on the roller assembly for smooth operation. Supplied as a pair (1 PR) in an unfinished gray finish with an overall height of 5 7/16 inches. Suitable for residential and light-commercial screen door applications
PRIME-LINE
Tension spring roller for sliding screen doors, maintaining tension on the roller assembly for smooth operation. Supplied as a pair (1 PR) in an unfinished gray finish with an overall height of 5 7/16 inches. Suitable for residential and light-commercial screen door applications
This tension spring roller is a screen door hardware component used to provide tension and smooth rolling action for sliding screen doors. It has an overall height of 5 7/16 inches, a bronze color with an unfinished surface, and is supplied as a single piece
PRIME-LINE
This tension spring roller is a screen door hardware component used to provide tension and smooth rolling action for sliding screen doors. It has an overall height of 5 7/16 inches, a bronze color with an unfinished surface, and is supplied as a single piece
This sliding handle and latch kit is designed for use on sliding screen doors. It provides a push-pull latch mechanism for securing and operating the door. The kit includes a black, unfinished handle and latch assembly with an overall height of 3-3/4 inches and an overall length of 3/8 inch
PRIME-LINE
This sliding handle and latch kit is designed for use on sliding screen doors. It provides a push-pull latch mechanism for securing and operating the door. The kit includes a black, unfinished handle and latch assembly with an overall height of 3-3/4 inches and an overall length of 3/8 inch

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first