7204 B 7304 B 7005 B 7005 B 2RSR 7205 B 7305 B 7206 B 7306 B Angular Contact Ball Bearings
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| Principal dimensions | Load ratings | Speed limits | Weight | Dimensions | |||||||
| Part number | Bore | Outer | Width | Dynamic | Static | Grease | Oil | ||||
| d | D | B | C | Co | rpm | Kg | r1/r2 | r3/r4 | a | ||
| mm | kN | 1 min−1 | mm | ||||||||
| 7204 B | 20 | 47 | 14 | 14,1 | 8,4 | 11000 | 16000 | 0,110 | 1,0 | 0,6 | 21 |
| 7304 B | 20 | 52 | 15 | 17,3 | 9,7 | 10000 | 15000 | 0,150 | 1,1 | 0,6 | 23 |
| 7005 B | 25 | 47 | 12 | 13,9 | 8,5 | 11000 | 16000 | 0,120 | 0,6 | 0,3 | 8 |
| 7005 B 2RSR | 25 | 47 | 12 | 10,8 | 7,0 | 7750 | 0,120 | 0,6 | 0,3 | 8 | |
| 7205 B | 25 | 52 | 15 | 15,5 | 10,1 | 9500 | 14000 | 0,130 | 1,0 | 0,6 | 24 |
| 7305 B | 25 | 62 | 17 | 24,4 | 14,6 | 8500 | 12000 | 0,250 | 1,1 | 0,6 | 27 |
| 7206 B | 30 | 62 | 16 | 20,5 | 13,6 | 8500 | 12000 | 0,210 | 1,0 | 0,6 | 27 |
| 7306 B | 30 | 72 | 19 | 29,3 | 19,0 | 7500 | 10000 | 0,370 | 1,1 | 0,6 | 31 |
| Details part number: |
| - Suffix A: inclination 25° contact angle |
| - Suffix B: inclination 40° contact angle |
| - Suffix C: inclination 15° contact angle |
Single row angular contact ball bearings are designed especially to carry
combination radial and single direction thrust loads. To carry thrust loads from
opposing directions, these bearings are frequently mounted in duplex pairs
with the contact angles opposed.
Angular Contact Bearing can be mounted in a variety of ways, for example
“back to back” and “face to face”, as illustrated below.
Bearings are also available with universal flush ground side surfaces of the
inner and outer rings for duplex mountings. Flush ground bearings are available
in different preloads to give axial rigidity. Angular Contact Bearing are offered in
extra light, light, and medium series. Each series is available in 15, 25, and 40
contact angles to fulfill a wide variety of applications. A higher contact angle
increases thrust capacity and axial rigidity, but reduces radial capacity and radial
rigidity. Pressed steel, machined bronze, and phenolic cages are available
to meet a variety of speed and duty requirements.
Dimensions in accordance with ISO 355:2007
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