Mahr - Product Catalog Page 339
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MarStand 818 R Center Bench with Roller Support FEATURES Center bench with roller support Unit composed of: • Bench gage • Flatness of the surface is in accordance to DIN 876/1 • Two T-slots for tailstock and / or support arm Application: • Support Arm 818 XNB • Support arm with one joint • With fine adjustment • Roller supports • Fast and easy radial run-out testing of anti-friction bearing mounted rollers • Perfect for smooth-running and seamless rotation of the workpiece, especially heavy parts without a central bore • Both Roller supports can be relocated (slide into position) • Package contains: measuring bench, measuring arm 818 XNB, balancing supports, excludes indicator • During this test procedure, the reference axis is formed by the cylindricity (circumferential surface) of an actual bearing point, e.g. at a transmission shaft. Possible roundness deviations of this cylindrical surface can be included in the radial run-out measurement result in accordance with the surface angle. This test is thus more functional than measuring between the tips. TECHNICAL DATA Order no. 4622250 4622251 Product type 4622252 818 R Height of roller supports mm 65 Height of V-supports mm 65 100 Diameter range mm 3 – 30 4 – 60 T-groove width mm 10H7 Mounting hole 12H7 8H7 Permitted height difference mm Permitted lateral difference mm Product weight Order no. 100 0.05 0.05 kg Column diameter mm Dimension A D mm 4622250 18 315 4622251 18 4622252 18 6.50 9.50 30.00 Dimension L b d mm mm mm mm Structural dimensions (L x W) mm mm 25 350 8 3 350 x 110 465 25 500 8 3 500 x 110 650 50 700 12 5 700 x 180 ACCESSORIES Order no. Product name Product type 4622275 Support Arm, Column height 205 mm, T-groove width 10 mm 818 XNB 4622276 Support Arm, Column height 260 mm, T-groove width 12 mm 818 XNB 4622277 Support Arm, Column height 360 mm, T-groove width 12 mm 818 XNB MarStand | Indicator Stands, Comparator Stands, Run-Out Testing Instruments 335
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