Product Description
BNUT Cross Roller Bearing
BNUT series with installation hole ultra-thin section type
The inner diameter size of this series is 10-40mm
Both the inner and outer rings are of integral structure and designed with installation holes, without the need for fixed flanges and support seats. The extremely thin size of the bearing width of only 5mm has almost no impact on performance during installation, and can achieve stable rotation accuracy and torque. It can be used in applications that require compact structural dimensions, such as lightweight robots, radars, displacement tables, medical devices, etc.
7 major features
Durable, durable, that's durable!
High load-bearing High precision High rigidity
Thin section Serialization Miniaturization Customizable
Structural diagram
Product parameters
Shaft diameter | 10 | 20 | 30 | 40 | ||
Nominal model | Open type | BNUT105X | BNUT205X | BNUT305X | BNUT405X | |
Seals type | BNUT105X | BNUT205X | BNUT305X | BNUT405X | ||
Quality | kg | 0.05 | 0.06 | 0.08 | 0.1 | |
Main dimensionsmm) | Inner diameter | d | 10 | 20 | 30 | 40 |
Outer diameter | D | 43 | 53 | 63 | 73 | |
Width | B | 5 | 5 | 5 | 5 | |
Chamfer | rmin | 0.15 | 1.15 | 0.15 | 0.15 | |
Installation hole related dimensions | Inner circle | PCD1 | 16 | 26 | 36 | 46 |
Mounting hole | 6-M2.5 through hole | 6-M2.5 through hole | 8-M2.5 through hole | 8-M2.5 through hole | ||
Outer ring | PCD2 | 35 | 45 | 55 | 65 | |
Mounting hole | 6-Φ2.9through hole countersinkΦ5.5 depth 2.8 | 6-Φ2.9through hole countersinkΦ5.5 depth 2.8 | 8-Φ2.9through hole countersinkΦ5.5 depth 2.8 | 8-Φ2.9through hole countersinkΦ5.5 depth 2.8 | ||
Shoulder size | ds | 21.5 | 31.5 | 41.5 | 51.5 | |
Dh | 28 | 38 | 48 | 58 | ||
Basic rated load (radial) | C | KN | 1.5 | 1.8 | 2.1 | 2.4 |
C0 | KN | 1.4 | 2.1 | 2.7 | 3.4 | |
Application field
Widely used in fields such as CNC machine tools, industrial robots, collaborative robots, SCARA robots, exoskeleton
robots, service robots, special robots, AGV carts, medical equipment, communication radar, precision instruments,
printing and dyeing equipment, industrial turntables, hollow rotating platforms, direct drive motors, harmonic
reducers, and planetary reducers.
Industrial robot Special robots Collaborative robot Exoskeleton robot AGV vehicle Harmonic planetary reducer
Aerospace Communication radar CNC machine tool Medical equipment Direct drive motor Hollow rotating platform
Equipment Display
We focus on the research and development, design, production, and sales of cross roller
bearings.The corporate spirit of "professionalism, focus, and dedication", constantly
strengthening team building, and continuously creating value for customers
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