Crossed roller bearings
Joint output bearings with rollers set at right angles, so one bearing carries loads from every direction.
A kind of part, not one product. Each of the 2 robots below has its own, and none of their companies say which model or whose it is. So there is no single price; the rough figure is what comparable products cost.
- 2 of 18
- robots in the database
- Not named
- made by
- Body
- body part
Why this price
Robot makers do not sell the crossed roller bearings in their joints, and the one found in a G1 is a Luoyang Baina part with no public price, so this is not its price. It is the price of comparable branded crossed roller bearings a builder can buy one at a time, with a bore of 35 to 40 mm like the Baina CRBT355A. A crossed roller bearing has small rollers set at right angles to each other so one thin ring can carry loads from every direction; Chinese makers selling in bulk to robot companies likely charge much less.
Our own figure, not a price from any company.
Based on: Misumi Europe, IKO ultra-thin crossed roller bearing CRBT405AC1 (es.misumi-ec.com)
How to get it
The robot companies do not say who makes this part, so it cannot be ordered as such. Comparable parts you can buy, with their prices, are listed below.
Comparable parts you can buyNot the confirmed part
3 products, scroll sideways
Products on public sale that do the same job, with why each is similar and where to buy it. None is confirmed to be the part inside these robots.
IKO CRBT405AC1 ultra-thin crossed roller bearing
Close matchby IKO Nippon Thompson
40 mm bore, 51 mm outside, 5 mm wide, 5.5 mm section height, 2,000 N dynamic load rating
Why it's similar. The Baina CRBT355A follows IKO's CRBT naming for ultra-thin bearings 5 mm wide, and this is the nearest IKO size on sale, with a 40 mm bore against the Baina part's likely 35 mm. It is the same very thin kind of bearing used at robot joint outputs.
Where to buy
Misumi EuropeEUR 165.10 without VAT, about US$190Buy
THK RB3510UUC0 cross roller ring
Close matchby THK
35 mm bore, 60 mm outside, 10 mm wide, sealed
Why it's similar. A sealed crossed roller bearing with the same 35 mm bore as the Baina CRBT355A, but thicker and wider, so it carries more load and takes more room.
Where to buy
Acorn Industrial ServicesEUR 111.38, about US$130Buy
A fuller write-up of this part, with its numbers, price and trade-offs, has not been written yet. How we verify
