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Super Precision, High Speed Spindle Bearings


BS Ball screw support bearings

BS TN1 (BS non-standard metric 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
BS 1547 TN1 15 47 15 1.0 35 27.5 39.5 1.0 21.5 27.0 12,000 17,000 0.14
BS 1747 TN1 17 47 15 1.0 35 27.5 39.5 1.0 21.5 27.0 12,000 17,000 0.14
BS 2047 TN1 20 47 15 1.0 37 27.5 39.5 1.0 19.3 25.0 12,000 17,000 0.13
BS 2562 TN1 25 62 15 1.0 46 38.0 52.0 1.0 28.5 41.5 9,000 13,000 0.24
BS 3062 TN1 30 62 15 1.0 48 39.5 52.5 1.0 26 39.0 9,000 13,000 0.23
BS 3072 TN1 30 72 15 1.0 52 45.0 61.0 1.1 31 54.0 8,000 11,000 0.35
BS 3572 TN1 35 72 15 1.0 54 46.5 60.5 1.1 30 50.0 8,000 11,000 0.30
BS 4072 TN1 40 72 15 1.0 56 49.0 62.5 1.1 28 49.0 8,000 11,000 0.26
BS 4090 TN1 40 90 20 1.5 67 56.5 75.5 1.5 50 83.0 6,300 8,500 0.65
BS 4575 TN1 45 75 15 1.0 60 52.0 68.0 1.0 28.5 52.0 7,500 10,000 0.26
BS 45100 TN1 45 100 20 1.5 74 64.5 85.5 1.5 58.5 104.0 5,600 7,500 0.81
BS 50100 TN1 50 100 20 1.5 76 64.5 85.5 1.5 58.5 104.0 5,600 7,500 0.75
BS 5590 TN1 55 90 15 1.0 70 65.0 80.0 1.0 32.5 65.5 6,300 8,500 0.38
BS 55100 TN1 55 100 20 1.5 77 69.5 85.5 1.5 40.5 81.5 6,000 8,000 0.75
BS 55120 TN1 55 120 20 1.5 86 77.0 97.5 2.0 60 116.0 5,000 6,700 1.18
BS 60120 TN1 60 120 20 1.5 88 79.5 100.5 1.5 61 120.0 4,800 6,300 1.11
BS 75110 TN1 75 110 15 1.5 88 85.0 99.5 1.5 35.5 83.0 5,000 6,700 0.75
BS 100150 TN1 100 150 22.5 2.0 120 #### 135.0 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  BS Ball screw support bearings V2.0 b Print v1