Feature
●【Upgrades】Shafts - our shaft are made by solid steel to make sure our 4 strut channel trolley has the best design load; Spacers - each bearing connect the main steel with a fixed size spacer to make the whole roller trolley more stable and less noise; Bearing - each bearing is custom made with a cap on to prevent metal balls from falling out during rotation. No lubrication needed for the bearings
●【Professional】Our square 4 wheel trolley are made of solid steel which has a higher strength. The surface is finished with zinc galavanized for better rust protection. Pin shaft and ball bearings are assembled by professional motors, the tolerance are less than 0.004mm which make it tighter between the shaft and the bearings, so the strut channel trolley will not fall apart.
●【Versatility】Applicable to all channel with 1-5/8" width and 1-5/8" thickness or thicker, compatible with Unistrut P1000, P1001, P5000, P5001, P5500, P5501. Our 4 wheel trolley rollers are suitable for varies situation during our daily life. Usable in curtain system, electric lift system and ceiling trolley system. Also suitable for hanging DIY projects like punching bag and sliding barn doors.
●【Size and Design Load】Diameter hole - 1/4"(6mm), Weight - 0.56lb, Product dimension - 3-1/8(80mm)x1-23/32"(43.5mm)x1-5/16"(33mm), Design load - 1000lbs(500kg). Our bearing strut trolleys not only be cost-efficient but also made to handle heavy duty use even in the long run.
●【We Have Your Back】Package including two pieces of cross 4 wheel trolly assemblies and two M10 bolt screws & six nuts. The most cost-effective and time-saving assembly set. If you have any issue with the cross roller trolley or with the project you are working on, just let us know and we will get our engineers to help you solve them within 24 hours.
Description
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Bearing is custom made with a cap on to prevent metal balls from falling out during rotation. |
Spacers are connected in between each bearing and the main steel to make the whole roller trolley more stable and low noise. |
Shaft are made by solid steel to make sure our 4 roller trolley assembly has the best design load. |
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| U-Model | Cross-Model | Square-Model | T-Model | |
| SKU | BM-U | BM-CR | BM-SQ | BM-T |
| Load capacity | 1000lbs | 1200lbs | 1200lbs | 1500lbs |
| Compatible with 1-5/8" wide strut channel | ? | ? | ? | ? |