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IKO Machined Type Needle Roller Bearings have an outer ring made by machining, heat treatment, and grinding. The outer ring has stable high rigidity and can be easily used even for light alloy housings.
These bearings are available in metric series and inch series, both of which have the caged type and the full complement type. It is therefore possible to select a suitable bearing for use under various conditions such as heavy loads and high-speed or low-speed rotations. In addition, there are bearings with and without an inner ring. As the type without inner ring uses a shaft as the raceway surface, a compact design is possible.
Part Number
Configured Part Number is shown.
Shaft dia. mm | Identification number | Mass (Ref.) g | Boundary dimensions mm | Mounting dimensions mm | Basic dynamic load rating C N | Basic static load rating C0 N | |||||
d | D | B | r min | da | Da | ||||||
20 | CRBT 205 A | 14.8 | 20 | 31 | 5 | 0.15 | 22.5 | 27 | 1 400 | 1 290 | |
30 | CRBT 305 A | 20.7 | 30 | 41 | 5 | 0.15 | 32.5 | 37 | 1 770 | 1 970 | |
40 | CRBT 405 A | 26.5 | 40 | 51 | 5 | 0.15 | 42.5 | 47 | 2 000 | 2 520 | |
50 | CRBT 505 A | 32.3 | 50 | 61 | 5 | 0.15 | 52.5 | 57 | 2 280 | 3 200 |
Part Number |
---|
CRBT205AC1 |
CRBT305AC1 |
CRBT405AC1 |
CRBT505AC1 |
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Load Direction | Radial | Width B(mm) | 5 | Outer Ring | With Outer Ring |
---|---|---|---|---|---|
Precision (JIS) | Grade 0 | Size Standards | Metric System | Specifications | Standard / For high Speed |
Retainer Type | No | Rotational Speed(rpm) | 50000 | Format of Shaft Bearing | With Separator |
Closed Type | Open Type | the Number of Oil Holes of Inner Wheel(piece) | 0 |
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