Precision Rotary Turntable Bearings
High precision rotary turntables
- Overview
- Dimensions
QCB offers a full range of Rotary Table Bearings equivalent to INA YRT, YRTS and ZKLDF Series.
YRT & YRTS Series
YRT Series is suitable for slow and limited duration operations
YRTS Series has higher limiting speeds and low, uniform torque across the speed range and is thus suitable for use with torque motors.
- Double direction axial bearing with a radial guide roller Predrilled and ready to fit
- Rigid and accurate bearing system supports axial, radial and moment loads
- Axially and radially preloaded after installation
- Unsealed
- Available in P5, P4 and P2 precision grades in diameters from 70 - 1800mm diameter
- Imported to order only
ZKLDF Series
- Axial angular contact ball bearing
- Suitable for high speeds
- High axial and radial load capacity with high rigidity
- Sealed
- Suitable for use in rotary tables, milling & grinding heads and test equipment
- Imported to order only
YRT Series Dimensions
Boundary dimensions
Boundary dimensions | ||||||||
ID | OD | H | H1 | C | d1 | dn | dm | |
YRT 50 | 50 | 126 | 30 | 20 | 10 | 105 | 63 | 116 |
YRT 80 | 80 | 146 | 35 | 23.35 | 12 | 130 | 92 | 138 |
YRT 100 | 100 | 185 | 38 | 25 | 12 | 160 | 112 | 170 |
YRT 120 | 120 | 210 | 40 | 26 | 12 | 184 | 135 | 195 |
YRT 150 | 150 | 240 | 40 | 26 | 12 | 214 | 165 | 225 |
YRT 180 | 180 | 280 | 43 | 29 | 15 | 244 | 194 | 260 |
YRT 200 | 200 | 300 | 45 | 30 | 15 | 274 | 215 | 285 |
YRT 260 | 260 | 385 | 55 | 36.5 | 18 | 345 | 280 | 365 |
YRT 325 | 325 | 450 | 60 | 40 | 20 | 415 | 342 | 430 |
YRT 395 | 395 | 525 | 65 | 42.5 | 20 | 486 | 415 | 505 |
YRT 460 | 460 | 600 | 70 | 46 | 22 | 560 | 482 | 580 |
YRT 580 | 580 | 750 | 90 | 60 | 30 | 700 | 610 | 720 |
YRT 650 | 650 | 870 | 122 | 78 | 34 | 800 | 680 | 830 |
YRT 850 | 850 | 1095 | 124 | 80.5 | 37 | 1018 | 890 | 1055 |
YRT 950 | 950 | 1200 | 132 | 86 | 40 | 1130 | 990 | 1160 |
YRT 1030 | 1030 | 1300 | 145 | 92.5 | 40 | 1215 | 1075 | 1255 |
YRT 1200 | 1200 | 1490 | 164 | 108 | 52 | 1410 | 1240 | 1445 |
Dimensions in mm |
Fixing hole data
Fixing holes | # | G | |||||||
Inner ring | Outer ring | Extraction | #G | ||||||
do | ds | Ts | ni | dL | na | Screws | Screws | ||
YRT 50 | 5.6 | 9 | 4.2 | 12-2 | 5.6 | 12 | 2 | - | - |
YRT 80 | 5.6 | 10 | 4.2 | 12-2 | 4.6 | 12 | 2 | - | - |
YRT 100 | 5.6 | 10 | 5.4 | 18-2 | 5.6 | 18-3 | 2 | M5 | 3 |
YRT 120 | 7 | 11 | 6.2 | 24-2 | 7 | 24-3 | 2 | M8 | 3 |
YRT 150 | 7 | 11 | 6.2 | 36-2 | 7 | 36-3 | 2 | M8 | 3 |
YRT 180 | 7 | 11 | 6.2 | 48-2 | 7 | 48-3 | 2 | M8 | 3 |
YRT 200 | 7 | 11 | 6.2 | 48-2 | 7 | 48-3 | 2 | M8 | 3 |
YRT 260 | 9.3 | 15 | 8.2 | 36-2 | 9.3 | 36-3 | 2 | M12 | 3 |
YRT 325 | 9.3 | 15 | 8.2 | 36-2 | 9.3 | 36-3 | 2 | M12 | 3 |
YRT 395 | 9.3 | 15 | 8.2 | 48-2 | 9.3 | 48-3 | 2 | M12 | 3 |
YRT 460 | 10 | 15 | 8.2 | 48-2 | 10 | 48-3 | 2 | M12 | 3 |
YRT 580 | 11.4 | 18 | 11 | 48-2 | 11.4 | 48-6 | 2 | M12 | 6 |
YRT 650 | 14 | 20 | 13 | 48-2 | 14 | 48-6 | 2 | M12 | 6 |
YRT 850 | 18.5 | 26 | 17 | 60-3 | 18.5 | 60-6 | 3 | M16 | 6 |
YRT 950 | 18.5 | 26 | 17 | 60-3 | 18.5 | 60-6 | 3 | M16 | 6 |
YRT 1030 | 18.5 | 26 | 17 | 72-6 | 18.5 | 72-6 | 6 | M16 | 6 |
YRT 1200 | 18.5 | 26 | 17 | 72-6 | 18.5 | 72-6 | 6 | M16 | 6 |
Dimensions in mm |
Load ratings
Bolt torque MA | Basic load ratings | Limit speed (grease) | Friction torque | Weight | ||||
Ca | Coa | Cr | Cor | |||||
Nm | KN | rpm | Nm | kg | ||||
YRT 50 | 8.5 | 38 | 158 | 28.5 | 49.5 | 600 | 2.5 | 1.6 |
YRT 80 | 8.5 | 56 | 255 | 42.8 | 100 | 530 | 3 | 2.4 |
YRT 100 | 8.5 | 76.5 | 415 | 47.5 | 120 | 430 | 3 | 4.1 |
YRT 120 | 14 | 102 | 540 | 52 | 143 | 340 | 7 | 5.3 |
YRT 150 | 14 | 112 | 630 | 56 | 170 | 320 | 10 | 6.2 |
YRT 180 | 14 | 118 | 710 | 69.5 | 200 | 280 | 12 | 7.7 |
YRT 200 | 14 | 120 | 765 | 81.5 | 220 | 260 | 14 | 9.7 |
YRT 260 | 34 | 160 | 1060 | 93 | 290 | 200 | 20 | 18.3 |
YRT 325 | 34 | 275 | 1930 | 120 | 345 | 170 | 40 | 25 |
YRT 395 | 34 | 300 | 2280 | 186 | 655 | 140 | 55 | 33 |
YRT 460 | 34 | 355 | 2800 | 200 | 765 | 120 | 70 | 45 |
YRT 580 | 68 | 490 | 4250 | 228 | 965 | 80 | 140 | 89 |
YRT 650 | 116 | 1040 | 8000 | 490 | 1800 | 65 | 200 | 170 |
YRT 850 | 284 | 1000 | 8650 | 455 | 1730 | 50 | 300 | 253 |
YRT 950 | 284 | 1290 | 11400 | 530 | 2040 | 40 | 600 | 312 |
YRT 1030 | 284 | 1380 | 12000 | 620 | 2650 | 35 | 800 | 375 |
YRT 1200 | 300 | 1435 | 12850 | 745 | 2800 | 25 | 1000 | 450 |
Tolerances
Tolerance on boundary dimensions | Radial / Axial runout | |||||||||
Inner ring | Outer ring | Height | ||||||||
d | max | min | D | max | min | H | H1 | Deviation | µm | |
YRT 50 | 50 | +0.000 | -0.008 | 126 | +0.000 | -0.011 | 30 | 20 | ± 0.125 | 2 |
YRT 80 | 80 | +0.000 | -0.009 | 146 | +0.000 | -0.011 | 35 | 23.35 | ± 0.15 | 3 |
YRT 100 | 100 | +0.000 | -0.01 | 185 | +0.000 | -0.015 | 38 | 25 | ± 0.175 | 3 |
YRT 120 | 120 | +0.000 | -0.01 | 210 | +0.000 | -0.015 | 40 | 26 | ± 0.175 | 3 |
YRT 150 | 150 | +0.000 | -0.013 | 240 | +0.000 | -0.015 | 40 | 26 | ± 0.175 | 3 |
YRT 180 | 180 | +0.000 | -0.013 | 280 | +0.000 | -0.018 | 43 | 29 | ± 0.175 | 4 |
YRT 200 | 200 | +0.000 | -0.015 | 300 | +0.000 | -0.018 | 45 | 30 | ± 0.175 | 4 |
YRT 260 | 260 | +0.000 | -0.018 | 385 | +0.000 | -0.02 | 55 | 36.5 | ± 0.2 | 6 |
YRT 325 | 325 | +0.000 | -0.023 | 450 | +0.000 | -0.023 | 60 | 40 | ± 0.2 | 6 |
YRT 395 | 395 | +0.000 | -0.023 | 525 | +0.000 | -0.028 | 65 | 42.5 | ± 0.2 | 6 |
YRT 460 | 460 | +0.000 | -0.023 | 600 | +0.000 | -0.028 | 70 | 46 | ± 0.225 | 6 |
YRT 580 | 580 | +0.000 | -0.025 | 750 | +0.000 | -0.035 | 90 | 60 | ± 0.25 | 10 |
YRT 650 | 650 | +0.000 | -0.038 | 870 | +0.000 | -0.05 | 122 | 78 | ± 0.25 | 10 |
YRT 850 | 850 | +0.000 | -0.05 | 1095 | +0.000 | -0.063 | 124 | 80.5 | ± 0.3 | 21 |
YRT 950 | 950 | +0.000 | -0.05 | 1200 | +0.000 | -0.063 | 132 | 86 | ± 0.3 | 12 |
YRT 1030 | 1030 | +0.000 | -0.072 | 1300 | +0.000 | -0.08 | 145 | 92.5 | ± 0.3 | 15 |
YRT 1200 | 1200 | +0.000 | -0.075 | 1490 | +0.000 | -0.085 | 164 | 108 | ± 0.3 | 15 |
Dimensions in mm |
YRTS Series
Boundary dimensions
Boundary dimensions | ||||||||
ID | OD | H | H1 | C | d1 | dn | dm | |
YRTS 200 | 200 | 300 | 45 | 30 | 15 | 274 | 215 | 285 |
YRTS 260 | 260 | 385 | 55 | 36.5 | 18 | 345 | 280 | 365 |
YRTS 325 | 325 | 450 | 60 | 40 | 20 | 415 | 342 | 430 |
YRTS 395 | 395 | 525 | 65 | 42.5 | 20 | 486 | 415 | 505 |
YRTS 460 | 460 | 600 | 70 | 46 | 22 | 560 | 482 | 580 |
Dimensions in mm |
Fixing hole data
# | G | ||||||||
Inner ring | Outer ring | Extraction | #G | ||||||
do | ds | Ts | ni | dL | na | Screws | Screws | ||
YRTS 200 | 7 | 11 | 6.2 | 48-2 | 7 | 48-3 | 2 | M8 | 3 |
YRTS 260 | 9.3 | 15 | 8.2 | 36-2 | 9.3 | 36-3 | 2 | M12 | 3 |
YRTS 325 | 9.3 | 15 | 8.2 | 36-2 | 9.3 | 36-3 | 2 | M12 | 3 |
YRTS 395 | 9.3 | 15 | 8.2 | 48-2 | 9.3 | 48-3 | 2 | M12 | 3 |
YRTS 460 | 9.3 | 15 | 8.2 | 48-2 | 9.3 | 48-3 | 2 | M12 | 3 |
Dimensions in mm |
Load ratings
Bolt torque MA | Basic load ratings | Limit speed (grease) | Weight | ||||
Ca | Coa | Cr | Cor | ||||
Nm | KN | rpm | kg | ||||
YRTS 200 | 14 | 155 | 840 | 94 | 226 | 1160 | 9.7 |
YRTS 260 | 34 | 173 | 1050 | 110 | 305 | 910 | 18.3 |
YRTS 325 | 34 | 191 | 1260 | 109 | 320 | 760 | 25 |
YRTS 395 | 34 | 214 | 1540 | 121 | 390 | 650 | 33 |
YRTS 460 | 34 | 221 | 1690 | 168 | 570 | 560 | 45 |