REIKU Tubing Protector: 2 1/4 in Nominal Size (MPN PAPRB-52)
The REIKU Tubing Protector (MPN PAPRB-52) is a protector for continuous-flex corrugated tubing, constructed from black Polyamide 6. It is designed for a connection type and size of 2-1/4 in corrugated tubing.
SKU 3G-OTH-52969
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Product Description
The REIKU Tubing Protector (MPN PAPRB-52) is a protector for continuous-flex corrugated tubing, constructed from black Polyamide 6. It is designed for a connection type and size of 2-1/4 in corrugated tubing.
Frequently Asked Questions
What is the REIKU Tubing Protector PAPRB-52 used for?
The REIKU Tubing Protector PAPRB-52 is used to shield continuous-flex corrugated tubing from abrasion, crushing, and environmental wear in industrial cable management systems. It is commonly applied in automation, robotics, and machine tool installations where flexible conduits require durable protection during dynamic motion.
What are the specifications of the REIKU PAPRB-52?
The REIKU PAPRB-52 is a tubing protector made from black Polyamide 6. It has a nominal size of 2-1/4 in and connects to 2-1/4 in corrugated tubing. The manufacturer part number is PAPRB-52. This protector is designed for continuous-flex applications, providing reliable mechanical protection in demanding industrial environments.
Where to buy the REIKU PAPRB-52 worldwide?
You can source the REIKU PAPRB-52 tubing protector worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this part.
How to install the REIKU PAPRB-52 tubing protector?
To install the REIKU PAPRB-52, slide the protector over the end of 2-1/4 in corrugated tubing before routing the assembly. Ensure the tubing is fully seated inside the protector to prevent slippage. For best results, follow standard practices for securing flexible conduits in cable management systems.
Used in
Common applications for REIKUREIKU Products
3G Electric supplies REIKU protectors for continuous-flex corrugated tubing. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


![System Support: 1 1/4 in Nominal Size (MPN PADSB-36). Key specifications — Item [MERCH]: Tubing Support Top Cover; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 1-1/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F87ecc8ae-4b7b-4a54-8aea-5456d20ee622.jpg&w=200)
![System Support: 3/4 in Nominal Size (MPN PADSB-23). Key specifications — Item [MERCH]: Tubing Support Top Cover; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 3/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F7b3f8733-6fec-4e6d-af3f-59ec0ed24e70.jpg&w=200)
![System Support: 1/4 in Nominal Size (MPN PADSB-07/10). Key specifications — Item [MERCH]: Tubing Support Top Cover; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 1/4 in to 5/16 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fad60fbb7-a0a2-4071-b66e-2289fa49377f.jpg&w=200)
![System Support: 1/2 in Nominal Size (MPN PADSB-14/17). Key specifications — Item [MERCH]: Tubing Support Top Cover; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 7/16 in to 1/2 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F46142796-8e14-4620-a68d-70364433ae01.jpg&w=200)
![Gripping Clamp: 2 1/4 in Nominal Size (MPN PASSB-52K). Key specifications — Item [MERCH]: Gripping Clamp with Plastic Clamp Closure; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 2-1/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fa456bb36-31bc-4758-a052-08e85cd3298c.jpg&w=200)
![Corrugated Loom Tubing: 1/2 in Nominal Size, 164 ft Overall Lg, Polyamide 12, Black (MPN PARAB-17F). Key specifications — Item [MERCH]: Corrugated Loom Tubing; Inside Diameter: 0.65 in; Outside Diameter: 0.87 in; Wall Thickness: 0.09 in; Tubing Material: Polyamide 12; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F52df08a2-23e0-4693-af76-605b43e88680.jpg&w=200)
![Tubing Protector: 1 in Nominal Size (MPN PAPRB-29F/G). Key specifications — Item [MERCH]: Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 1 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fc482b4ff-a30c-4076-9995-5f095cb2befe.jpg&w=200)
![Tubing Protector: 1 1/4 in Nominal Size (MPN PAPRB-36F/G). Key specifications — Item [MERCH]: Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 1-1/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2Fbe629080-f3e5-4fde-a927-95e822d56a2f.jpg&w=200)
![Ball Joint: 2 3/4 in Nominal Size (MPN PADPB-70). Key specifications — Item [MERCH]: Rotary Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 2-3/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F65341e70-a03c-49df-b821-a9319e464cab.jpg&w=200)
![Tubing Protector: 2 3/4 in Nominal Size (MPN PAPRB-70). Key specifications — Item [MERCH]: Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 2-3/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F59625ae1-6153-4f08-8d8e-f08f7f2f7519.jpg&w=200)
![Tubing Protector: 3/4 in Nominal Size (MPN PAPRB-23F/G). Key specifications — Item [MERCH]: Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 3/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F492afc8b-9538-4e18-bf68-a07d2500ee20.jpg&w=200)
![Ball Joint: 2 1/4 in Nominal Size (MPN PADPB-52). Key specifications — Item [MERCH]: Rotary Tubing Protector; Fitting Material: Polyamide 6; Fitting Color: Black; Connection Type/Size: 2-1/4 in Corrugated Tubing; Brand: REIKU.](/img/p?u=https%3A%2F%2Foxalncjenpflyqfncuhe.supabase.co%2Fstorage%2Fv1%2Fobject%2Fpublic%2Fproduct-assets%2Fgrainger%2F41bc2ed1-6aef-46ca-bebe-54e1938ecfbb.jpg&w=200)