LRBZ445228 (Alt P/N: IR-445228, MI-44) Needle Roller Bearings Inner Ring
The LRBZ445228 bearing is a Needle Roller Bearings with an inner diameter of 69.85 mm , an outer diameter of 82.55 mm, a width of 44.7 mm. It typically uses Standard grade precision tolerances and together determine its load-bearing capacity, rotational accuracy, and applicable working conditions.
Interchange code: IR-445228, MI-44
Application: Rocker Arm Pivots, Pumps, Compressors, Transmissions, and etc.
LRBZ445228 Inner Race for Machined Type Needle Roller Bearing (Interchange Part No.: IR-445228, MI-44), Inch Size, For Heavy Duty Needle Roller Bearings.
Size: 69.85x82.55x44.7mm
Inner Diameter (d): 2-3/4 Inch (69.85 mm)
Outer Diameter (F): 3-1/4 Inch (82.55mm)
Width (B): 44.7 mm
Bearing Material: GCR15 Bearing Steel
Working Temperature: –20°C to +120°C
HS Code: 8482990000
|
Part No. |
Weight |
Dimension |
Interchange Part No. |
|||||
|
d |
F |
B |
Torrington |
Mcgill |
||||
|
g |
inch |
mm |
inch |
mm |
mm |
IR |
MI |
|
|
LRBZ445228 |
530 |
2-3/4 |
69.85 |
3-1/4 |
82.55 |
44.7 |
IR-445228 |
MI-44 |
Inner Rings are heat-treated and finished by grinding to a high degree of accuracy. In the case of needle roller bearings, normally, the shafts are heat treated and finished by grinding, and used as the raceway surfaces. However, when it is impossible to make shaft surfaces according to the specified surface hardness or surface roughness, inner rings are used.
Inner rings for general use and are available in a variety of dimensions. When shafts move axially or seals are used adjacent to bearings, wide inner rings can be selected. Inner rings can also be used economically as bushings without requiring any additional machining.
Needle bearings are heavily used in automobile components such as rocker arm pivots, pumps, compressors and transmissions. The drive shaft of a rear-wheel drive vehicle typically has at least eight needle bearings (four in each U joint) and often more if it is particularly long, or operates on steep slopes.
All the bearings we are offering are direct factory price, fast delivery, perfect quality. For more bearings, please feel free to mail us at [email protected] or contact us by Wechat or Whatsapp at +8618062246726.
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