Attributes

Brand	-
Category	Root / Home Furniture
Origin	-
Model Number	RU297 / RU228 / RU445
Material	High-Carbon Chromium Steel
Bearing Type	Crossed Roller Bearing
Application	Robotics, Indexing Plates, Rotary Tables
Precision Grade	P5 / P4
Cage Material	Brass or Steel Retainer
Seal Type	Non-contact Rubber Seals
Load Capacity	High Radial and Axial Load
Surface Treatment	Anti-Corrosion Coating
Package Includes	1 x Bearing Unit, Mounting Hardware

6 reviews

Anonymous

Mar 26, 2026

Rating: 5/5

Reliable and precise

Installation was straightforward with the provided holes. The bearing maintains its position well under lateral stress.

Anonymous

Mar 19, 2026

Rating: 4/5

Great quality, slightly heavy

Solid construction and very smooth rotation. It is a bit heavier than I anticipated, but that speaks to the durability of the steel used.

Anonymous

Mar 16, 2026

Rating: 5/5

Perfect for my robotic arm project

The precision on this RU297 bearing is outstanding. It fits perfectly into my custom indexing plate setup and handles the load smoothly without any wobble.

Anonymous

Mar 05, 2026

Rating: 5/5

Smooth operation out of the box

No grinding noise, very quiet operation. The seals seem robust enough to keep dust out in my workshop environment.

Anonymous

Mar 02, 2026

Rating: 5/5

Excellent for high-torque applications

We used the RU445 model for our rotary table. The crossed roller design provides exceptional rigidity. Highly recommended for professional use.

Anonymous

Mar 02, 2026

Rating: 4/5

Good value for the price

Comparable to more expensive brands we have used previously. The RU228 size was exactly what we needed for our prototype.

5 FAQ

Q: Can I use this outdoors?

A: While it has anti-corrosion coating and seals, we recommend additional protective housing if the unit will be exposed to direct rain or harsh chemicals.

Q: What is the maximum rotational speed for the RU297 model?

A: The RU297 is designed primarily for high-load, low-to-moderate speed indexing applications. We recommend consulting the specific datasheet for exact RPM limits based on your load conditions.

Q: Are mounting bolts included in the package?

A: Yes, the package includes the necessary mounting hardware compatible with the standard bolt patterns for these models.

Q: Does this bearing come pre-lubricated?

A: Yes, all our crossed roller bearings are factory pre-lubricated with high-quality grease suitable for standard operating temperatures.

Q: Is there a warranty on these bearings?

A: Yes, all our industrial bearings come with a 12-month manufacturer warranty covering defects in materials and workmanship.

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