Needle Roller Bearings BHA Series are essentially
Cylindrical Roller Bearings except that their rollers have a length 3 to 10 times the diameter (versus a length less than 3 times the diameter).
High Precision Needle Roller Bearings BHA Series are also essentially bearings that utilize small & cylindric rollers. Therefore, the ratio of the bearing outside diameter to the inscribed circle diameter is small, and they have a rather high radial load capacity. Even though they have a low cross section, needle
Roller Bearings have a high radial load capacity and are exceptionally apt for bearing applications where radial space is limited.
There are numerous types available, and many have no inner rings. The drawn-cup type has a pressed steel outer ring and the precision (solid) type has a machined outer ring. There are also cage-and-roller assemblies without rings. Most bearings have pressed steel cages, but some are without cages.
Drawn Cup Needle Bearings BHA Series have a drawn outer shell serving as a raceway for the rollers and are installed with a press fit in the housing. They are ideal for many of the following applications: transmissions, transfer cases, engines, valve trains, steering and braking systems, axle supports, outboard engines, textile industry, power tools, copiers, fax machines, paper-moving equipment, and appliances.
| Shaft | model | Mass | Dimensions |
| mm | | g | Fw | D | C |
| 12.7 | BHA 88 | 10.4 | 12.7 | 19.05 | 12.7 |
| 12.7 | BHA 810 | 12.5 | 12.7 | 19.05 | 15.88 |
| 17.462 | BHA 1112 | 19 | 17.462 | 23.812 | 19.05 |
| 25.4 | BHA 1612 | 33.5 | 25.4 | 33.338 | 19.05 |
| 28.575 | BHA 1816 | 60 | 28.575 | 38.1 | 25.4 |
| 31.75 | BHA 2020 | 81.5 | 31.75 | 41.275 | 31.75 |
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Product Categories : Needle Roller Bearings > Drawn Cup Needle Roller Bearings
