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Super Precision, High Speed Spindle Bearings


BSS Ball screw support bearings

BSS TN1 (BS inch series)

BS-Ball-screw-support-bearings
COREDEMAR
Part Number
Boundary dimensions Mounting dimensions Load rating Limiting speed Weight
d D B rsmin a da Da ra Cr Cor Grease Oil Kg
mm h12 H12 max KN r/min
BSS 2047 TN1 20.000 47 15.875 1.0 38 27.5 39.5 1.0 19.3 25.0 12,000 17,000 0.13
BSS 2362 TN1 23.838 62 15.875 1.0 45 38.0 52.0 1.0 29.5 41.5 9,000 13,000 0.24
BSS 3872 TN1 38.100 72 15.875 1.0 56 49.0 62.5 1.1 28 49.0 8,000 11,000 0.26
BSS 4476 TN1 44.475 76.2 15.875 1.0 60 52.0 68.0 1.0 28.5 52.0 7,500 10,000 0.26
BSS 5790 TN1 57.150 90 15.875 1.0 72 65.0 80.0 1.0 32.5 65.5 6,300 8,500 0.38
BSS 76110 TN1 76.200 110 15.875 1.5 88 85.0 99.5 1.5 35.5 83.0 5,000 6,700 0.75
BSS 101145 TN1 ###### 145 22.225 1.5 118 #### 132.0 2.0 69.5 173.0 3,800 5,000 1.37

Legend

d Inner Diameter Rs min Radius RPM Rotations/Minute
D Outer Diameter R1s min Radius KN Kilo Newtons
B Width Ra Axial Rigidity N Newtons (1N = .2248 lbs.)
Dw Ball Size Rr Radial Rigidity μ Micron (.00004′)
Z Ball Quantity mm Millimeters

 

packaging_specifications_download_pdf  BSS Ball screw support bearings V2.0 b Print v1