Description
Brand - RBC
Item Number - Y288PWI-2-MBR DB RBC
Category - Thin Section Ball Bearing (Y-PWI Series)
Principal Dimensions & Load Ratings (Imperial) :
Maximum Bore Diameter (B) - 18 inch
Minimum Bore Diameter (B) - 17.9983 inch
Maximum Outside Diameter (D) - 20 inch
Minimum Outside Diameter (D) - 19.9981 inch
Width (W) - 2 (+.000 to -.020) inch
Width (H) - 1 (+.000 to -.005) inch
Approximate Diameter (Li) - 18.5 inch
Approximate Diameter (Lo) - 19.5 inch
Inner Ring Radius (C1)*** - 0.031 inch
Outer Ring Radius (C)*** - 0.031 inch
Ball Number - 92 pcs.
Ball Size - 0.5 inch
Weight - 13.2 lbs
Type of Seal - Composition Washer with Synthetic Rubber Seal Bonded to it.
Radial Limit Load Rating - 253000 lbf
Thrust Limit Load Rating - 115000 lbf
Limit Moment Rating - 1357500 lbf-in
Moment Constant - 0.085 per inch
Rated Radial Capacity at 100 RPM** Based on 7500 Hours Average Life* - 10090 lbf
Rated Radial Capacity at 300 RPM** Based on 7500 Hours Average Life* - 7000 lbf
Rated Radial Capacity at 500 RPM** Based on 7500 Hours Average Life* - 5900 lbf
Nominal Preload - 575 lbf
Principal Dimensions & Load Ratings (Metric) :
Maximum Bore Diameter (B) - 457.2 mm
Minimum Bore Diameter (B) - 457.157 mm
Maximum Outside Diameter (D) - 508 mm
Minimum Outside Diameter (D) - 507.952 mm
Width (W) - 50.8 (+.00 to -.51) mm
Width (H) - 25.40 (+.00 to -.13) mm
Approximate Diameter (Li) - 469.9 mm
Approximate Diameter (Lo) - 495.3 mm
Inner Ring Radius (C1) - 0.79 mm
Outer Ring Radius (C) - 0.79 mm
Weight - 5.99 kg
Radial Limit Load Rating - 1120000 N
Thrust Limit Load Rating - 510000 N
Limit Moment Rating - 15337000 N-cm
Moment Constant - 0.033 per cm
Rated Radial Capacity at 100 RPM** Based on 7500 Hours Average Life* - 45000 N
Rated Radial Capacity at 300 RPM** Based on 7500 Hours Average Life* - 31000 N
Rated Radial Capacity at 500 RPM** Based on 7500 Hours Average Life* - 26000 N
Nominal Preload - 2558 N
Description of Suffixes and Prefixes :
Y - Ceramic Balls
Other salient points about this Bearing :
• Mounted in duplex pairs.
• Exposed surfaces except bore are cadmium plated.
• Prepacked with lubricant conforming to MIL-G-25537.
* These ratings are for single bearings.
** Heavy line indicates limiting speeds recommended for sealed bearings; for higher speeds, seals should be removed.
*** Maximum shaft or housing fillet radius which bearing corners will clear.
♦ ♦ Images are for representation purposes only
Item Number - Y288PWI-2-MBR DB RBC
Category - Thin Section Ball Bearing (Y-PWI Series)
Principal Dimensions & Load Ratings (Imperial) :
Maximum Bore Diameter (B) - 18 inch
Minimum Bore Diameter (B) - 17.9983 inch
Maximum Outside Diameter (D) - 20 inch
Minimum Outside Diameter (D) - 19.9981 inch
Width (W) - 2 (+.000 to -.020) inch
Width (H) - 1 (+.000 to -.005) inch
Approximate Diameter (Li) - 18.5 inch
Approximate Diameter (Lo) - 19.5 inch
Inner Ring Radius (C1)*** - 0.031 inch
Outer Ring Radius (C)*** - 0.031 inch
Ball Number - 92 pcs.
Ball Size - 0.5 inch
Weight - 13.2 lbs
Type of Seal - Composition Washer with Synthetic Rubber Seal Bonded to it.
Radial Limit Load Rating - 253000 lbf
Thrust Limit Load Rating - 115000 lbf
Limit Moment Rating - 1357500 lbf-in
Moment Constant - 0.085 per inch
Rated Radial Capacity at 100 RPM** Based on 7500 Hours Average Life* - 10090 lbf
Rated Radial Capacity at 300 RPM** Based on 7500 Hours Average Life* - 7000 lbf
Rated Radial Capacity at 500 RPM** Based on 7500 Hours Average Life* - 5900 lbf
Nominal Preload - 575 lbf
Principal Dimensions & Load Ratings (Metric) :
Maximum Bore Diameter (B) - 457.2 mm
Minimum Bore Diameter (B) - 457.157 mm
Maximum Outside Diameter (D) - 508 mm
Minimum Outside Diameter (D) - 507.952 mm
Width (W) - 50.8 (+.00 to -.51) mm
Width (H) - 25.40 (+.00 to -.13) mm
Approximate Diameter (Li) - 469.9 mm
Approximate Diameter (Lo) - 495.3 mm
Inner Ring Radius (C1) - 0.79 mm
Outer Ring Radius (C) - 0.79 mm
Weight - 5.99 kg
Radial Limit Load Rating - 1120000 N
Thrust Limit Load Rating - 510000 N
Limit Moment Rating - 15337000 N-cm
Moment Constant - 0.033 per cm
Rated Radial Capacity at 100 RPM** Based on 7500 Hours Average Life* - 45000 N
Rated Radial Capacity at 300 RPM** Based on 7500 Hours Average Life* - 31000 N
Rated Radial Capacity at 500 RPM** Based on 7500 Hours Average Life* - 26000 N
Nominal Preload - 2558 N
Description of Suffixes and Prefixes :
Y - Ceramic Balls
Other salient points about this Bearing :
• Mounted in duplex pairs.
• Exposed surfaces except bore are cadmium plated.
• Prepacked with lubricant conforming to MIL-G-25537.
* These ratings are for single bearings.
** Heavy line indicates limiting speeds recommended for sealed bearings; for higher speeds, seals should be removed.
*** Maximum shaft or housing fillet radius which bearing corners will clear.
♦ ♦ Images are for representation purposes only
