KOYO 7228B Bearing
Bearing 7228B KOYO , KOYO bearing
- Bearing Weight 7.76 (Inquire about discount price)
- Bore diameter 140
- Outer diameter 250
- Overall width 42
- Bore type KOYO Bearing
- Cage material Steel
- Precision class Class normal (P0)(P6)
- Old Model 7228B
- Operating Temperature Range -40 to 250 ºF
Connecting Size
- Size mating parts (da min.)
- 154
- Size mating parts (Da max.)
- 236
- Size mating parts (ra max.)
- 2.5
Overall dimension
- External diameter
- 250 mm
- Internal diameter
- 140 mm
- B Width
- 42 mm
- Weight
- 7.76 Kg
- Outer ring width
- 42 mm
Size Geometric characteristics
- rРадиус наружней фаски
- 3 mm
- r1 outer ring (flange) installation chamfer
- 1.1 mm
- αУгол контакта
- 40°
Load and resources
- Dynamic load capacity
- 197 кН
- C0 Static load capacity
- 213 кН
- Cr Radial dynamic load
- 197 кН
- Maximum speed with grease lubrication
- 2200 об/мин
- WoilЧастота вращения предельная при жидкой смазке
- 2900 об/мин
Protect
- Seal Up
- Нет
Other
- Number of rolling tracks
- 1
- Расстояние до действительного центра опоры (a)
- 102.8 mm
- Size
- 140x250x42
- MODEL
- BRAND
- IDD
- OD
- WIDTH
- Weight
- 239428B
- KOYO
- 140
- 190
- 60
- 4.47
- 7200B
- KOYO
- 10
- 30
- 9
- 0.031
- 7207B
- KOYO
- 35
- 72
- 17
- 0.295
- 7222B
- KOYO
- 110
- 200
- 38
- 4.65
- AC725482B
- KOYO
- 360
- 539.5
- 82
- 63.5
- 7028B
- KOYO
- 140
- 210
- 33
- 3.64
- 28985/28921
- KOYO
- 60.325
- 100
- 25.4
- 0.763
- 7236B
- KOYO
- 180
- 320
- 52
- 15.7
- 7226B
- KOYO
- 130
- 230
- 40
- 6.21
- 239728B
- KOYO
- 144
- 190
- 60
- 4.03
- 7228CPA
- KOYO
- 140
- 250
- 42
- 7.76
- 7204B
- KOYO
- 20
- 47
- 14
- 0.112
- 7211B
- KOYO
- 55
- 100
- 21
- 0.635
- 7203B
- KOYO
- 17
- 40
- 12
- 0.070
- 7928B
- KOYO
- 140
- 190
- 24
- 1.8
- 7232B
- KOYO
- 160
- 290
- 48
- 12.1
- 7209B
- KOYO
- 45
- 85
- 19
- 0.430
- 7248B
- KOYO
- 240
- 440
- 72
- 52.8
- 28137/28300
- KOYO
- 34.925
- 76.2
- 20.638
- 0.452
- 7201B
- KOYO
- 12
- 32
- 10
- 0.038
- 7208B
- KOYO
- 40
- 80
- 18
- 0.382
- 7205B
- KOYO
- 25
- 52
- 15
- 0.135
- 28985/28920
- KOYO
- 60.325
- 101.6
- 25.4
- 0.802
- 234728B
- KOYO
- 145
- 210
- 84
- 8.44
- 7221B
- KOYO
- 105
- 190
- 36
- 3.95
- 7238B
- KOYO
- 190
- 340
- 55
- 18.8
- 7224B
- KOYO
- 120
- 215
- 40
- 5.49
- 7328B
- KOYO
- 140
- 300
- 62
- 18.8
- 7210B
- KOYO
- 50
- 90
- 20
- 0.485
- AC7251B
- KOYO
- 360
- 509.5
- 70
- 42.9
KOYO Bearings News
2003-06-11
2007-10-10
2010-08-28
2012-02-07
2013-07-17
2014-12-27
2017-11-15
2019-04-26
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