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Super Precision, High Speed Spindle Bearings


2344 Double-direction angular contact thrust ball bearings

2344 M Series (contact angle = 60°)

2344-Double-direction-angular-contact-thrust-ball-bearings
COREDEMAR
Part Number
Boundary dimensions Load rating Limiting speed Weight
d D dmax T C B rsmin r1smin ns Cr Cor Grease Oil Kg
mm KN r/min
234406 M 30 55 47 32 16 8.0 1.0 0.15 4.8 14.3 24.0 11,000 16,000 0.29
234407 M 35 62 53 34 17 8.5 1.0 0.15 4.8 17.6 31.5 9,500 1,400 0.38
234408 M 40 68 59 36 18 9.0 1.0 0.15 4.8 20.8 38.0 8,500 12,000 0.46
234409 M 45 75 65 38 19 9.5 1.0 0.15 4.8 23.2 45.0 7,500 10,000 0.57
234410 M 50 80 70 38 19 9.5 1.0 0.15 4.8 24 49.0 7,000 9,500 0.62
234411 M 55 90 78 44 22 11.0 1.1 0.3 6.5 34 67.0 6,300 8,500 0.94
234412 M 60 95 83 44 22 11.0 1.1 0.3 6.5 33.5 68.0 6,000 8,000 1.01
234413 M 65 100 88 44 22 11.0 1.1 0.3 6.5 36 76.5 5,600 7,500 1.08
234414 M 70 110 97 48 24 12.0 1.1 0.3 6.5 42.5 93.0 7,000 7,000 1.49
234415 M 75 115 102 48 24 12.0 1.1 0.3 6.5 44 100 5,000 6,700 1.57
234416 M 80 125 110 54 27 13.5 1.1 0.3 6.5 52 120 4,500 6,000 2.16
234417 M 85 130 115 54 27 13.5 1.1 0.3 9.5 52 125 4,500 6,000 2.25
234418 M 90 140 123 60 30 15.0 1.5 0.3 9.5 61 146 4,000 5,300 2.92
234419 M 95 145 128 60 30 15.0 1.5 0.3 9.5 61 150 4,000 5,300 3.04
234420 M 100 150 133 60 30 15.0 1.5 0.3 9.5 62 156 3,800 5,000 3.17
234421 M 105 160 142 66 33 16.5 2.0 0.6 9.5 69.5 176 3,600 4,800 4.07
234422 M 110 170 150 72 36 18.0 2.0 0.6 9.5 90 224 3,400 4,500 5.19
234424 M 120 180 160 72 36 18.0 2.0 0.6 9.5 93 240 3,200 4,300 5.58
234426 M 130 200 177 84 42 21.0 2.0 0.6 12.2 118 300 2,800 3,800 8.28
244428 M 140 210 187 84 42 21.0 2.1 0.6 12.2 122 320 2,800 3,800 8.78
234430 M 150 225 200 90 45 22.5 2.1 0.6 15.0 132 355 2,600 3,600 10.8
234432 M 160 240 212 96 48 24.0 2.1 0.6 15.0 156 415 2,400 3,400 12.9
234434 M 170 260 230 108 54 27.0 2.1 0.6 15.0 192 520 2,200 3,200 17.7
234436 M 180 280 248 120 60 30.0 2.1 0.6 15.0 216 585 2,000 3,000 23.4
234438 M 190 290 258 120 60 30.0 2.1 0.6 15.0 224 630 1,900 2,800 24.7
234440 M 200 310 274 132 66 33.0 2.1 0.6 15.0 265 720 1,800 2,600 31.5
234444 M 220 340 304 144 72 36.0 3.0 1.1 15.0 315 900 1,600 2,200 41.7
234448 M 250 360 322 144 72 36.0 3.0 1.1 15.0 325 965 1,500 2,000 43.8
234452 M 260 400 354 164 82 41.0 4.0 1.5 17.7 380 1180 1,400 1,900 64.5
234456 M 280 420 374 164 82 41.0 4.0 1.5 17.7 390 1270 1,300 1,800 69.0
234460 M 300 460 406 190 95 47.5 4.0 1.5 17.7 450 1530 1,200 1,700 98.4
234464 M 320 480 426 190 95 47.5 4.0 1.5 17.7 455 1630 1,200 1,700 102.0
234468 M 340 520 459 212 106 53.0 4.0 1.5 17.7 540 2000 1,100 1,600 138.0

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  2344 Double-direction angular contact thrust ball bearings V2.0 b Print v1