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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 • Fast and easy radial run-out testing of anti-friction bearing mounted
• With fine adjustment rollers
• Perfect for smooth-running and seamless rotation of the workpiece,
• Roller supports especially heavy parts without a central bore
• Both Roller supports can be • During this test procedure, the reference axis is formed by the cylindricity
relocated (slide into position) (circumferential surface) of an actual bearing point, e.g. at a transmission
• Package contains: measuring shaft. Possible roundness deviations of this cylindrical surface can be
bench, measuring arm 818 XNB, included in the radial run-out measurement result in accordance with the
balancing supports, excludes surface angle.
indicator This test is thus more functional than measuring between the tips.
TECHNICAL DATA
Order no. 4622250 4622251 4622252
Product type 818 R
Height of roller supports mm 65 100
Height of V-supports mm 65 100
Diameter range mm 3 – 30 4 – 60
T-groove width mm 10H7 12H7
Mounting hole 8H7
Permitted height difference mm 0.05
Permitted lateral difference mm 0.05
Product weight kg 6.50 9.50 30.00

Order no. Column Dimen sion A D Dimen sion L b d Structural dimen sions
diameter (L x W) mm
mm mm mm mm mm mm mm
4622250 18 315 25 350 8 3 350 x 110
4622251 18 465 25 500 8 3 500 x 110
4622252 18 650 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