Specifications

• Needle Bearing Type
  Machined Bearing with Inner Ring
• Bore Diameter
  45 mm
• Outside Diameter
  68 mm
• Overall Width
  22 mm
• Closure Type
  Open
• Radial Dynamic Load Capacity
  10100 lbf
• Operating Temperature Range
  -22 to 248 °F
• Cage Material
  Steel
• Radial Static Load Capacity
  16400 lbf
• Max Rpm
  8500 rpm
• Flanges
  With Flanges
• Series
  NA
• Lubrication Hole Type
  Lubrication Groove & Hole
• Precision Rating
  Not Rated
• Standards Met
  DIN 617/ISO 1206
• UPC_NO
  4012802194692
• Weight
  0.72 lbs
• Roller Type
  Radial Roller
• Product Type
  Needle Roller Bearings
• Long Description
  The NA4909 Machined Type Needle Roller Bearing features a 45 mm bore diameter, 68 mm outside diameter, 22 mm overall width, and an open closure design, making it suitable for industrial gear drives and rotating systems.