Linear Bearings Catalog Section - Thomson - #19

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www.danahermotion.com 31 Thomson RoundRail Linear Guides and Components Inch Ball Bearing Bushing Inch – Super Smart Ball Bushing Bearings Super Smart Ball Bushing Flanged Single and Twin Pillow Blocks for End Supported Applications Super Smart Ball Bushing Flanged Pillow Blocks and 60 Case LinearRace Shaft (Dimensions in inches) Part Number (2) Nominal Diameter B E ±.010 L D V G1 S Hole Dia. 60 Case LinearRace Diameter d 60 Case LinearRace Minimum Depth of Hardness 60 Case Solid LinearRace Mass lb/in 60 Case Tubular Lite LinearRace Mass lb/in 60 Case Tubular Lite LinearRace ID D1 Pillow Block Mass lb Dyn. (1) Load Cap. lbf Super Smart Ball Bushing Flanged Pillow Block 60 Case LinearRace SS6UFB-8 1/2 L .500 1.63 1.250 1.69 1.25 .25 .72 .19 .4995/.4990 .04 .06 – – .23 265 SSUFB-12 3/4 L .750 2.38 1.750 2.06 1.75 .38 .89 .22 .7495/.7490 .06 .13 .08 .460/.416 .52 1130 SSUFB-16 1 L 1.000 2.75 2.125 2.81 2.25 .50 1.27 .28 .9995/.9990 .08 .22 .16 .629/.569 1.04 1900 SSUFB-20 1 1/4 L 1.250 3.50 2.750 3.63 3.00 .63 1.67 .35 1.2495/1.2490 .08 .35 – – – 2350 SSUFB-24 1 1/2 L 1.500 4.00 3.125 4.00 3.62 .75 1.86 .41 1.4994/1.4989 .08 .50 .33 .93/.84 – 3880 Super Smart Ball Bushing Flanged Twin Pillow Blocks and 60 Case LinearRace Shaft (Dimensions in inches) Part Number (2) Nominal Diameter B E ±.010 L D V G1 S Thread 60 Case LinearRace Diameter d 60 Case LinearRace Minimum Depth of Hardness 60 Case Solid LinearRace Mass lb/in 60 Case Tubular Lite LinearRace Mass lb/in 60 Case Tubular Lite LinearRace ID D1 Pillow Block Mass lb Dyn. (1) Load Cap. lbf Super Smart Ball Bushing Flanged Twin Pillow Block 60 Case LinearRace SS6UTFB-8 1/2 L .500 1.63 1.250 3.20 1.25 .90 1.48 1/4-20 .4995/.4990 .04 .06 – – – 530 SSUTFB-12 3/4 L .750 2.38 1.750 3.95 1.75 .90 1.98 1/4-20 .7495/.7490 .06 .13 .08 .460/.416 1.05 2260 SSUTFB-16 1 L 1.000 2.75 2.125 5.33 2.25 .90 2.67 5/16-18 .9995/.9990 .08 .22 .16 .629/.569 1.95 3800 SSUTFB-20 1 1/4 L 1.250 3.50 2.750 6.70 3.00 .90 3.35 5/16-18 1.2495/1.2490 .08 .35 – – – 4700 SSUTFB-24 1 1/2 L 1.500 4.00 3.125 7.50 3.62 1.00 3.75 3/8-16 1.4994/1.4989 .08 .50 .33 .93/.84 – 7760 (1) The Dynamic Load Capacity is based on a rated travel life of 2 million inches. The actual Dynamic Load Capacity can be affected by the orientation of the bearing or the direction of the applied load. For dynamic load correction factors see polar graphs below. Dynamic load capacity of Twin Super Smart Flanged Pillow blocks is based on two bearings equally loaded. (2) For part number description and specifications see page 24. Note: For additional technical information, see the Engineering section beginning on page 245. L B V E BE S G1 14-28 Access for Lubrication D L B V E BE S G1 D Single Pillow Block Twin Pillow Block 14-28 Access for Lubrication 60 Case Solid d LinearRace Shaft 60 Case Tubular Lite d D1 LinearRace Shaft