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MONTON double direction thrust angular contact ball bearings consist of two single row thrust angular contact ball bearings with back-to-back arrangement and contact angle of 60°. This configuration plus the multi-ball design allows the bearing to withstand high axial loads in both directions and provide high system rigidity. The two bearings are separated. When the shaft rings are pressed together, a preload within a preset range can be obtained, so it is often used in the bidirectional positioning of machine tool spindles.

MONTON double direction thrust angular contact ball bearing combined with NN30K series or N10K series cylindrical roller bearings and installed in the same bearing seat hole. This bearing combination simplifies the processing of the bearing seat hole. The nominal inner diameter and outer diameter of MONTON double direction thrust angular contact ball bearings are the same as those of the corresponding cylindrical roller bearings. The outer diameter tolerance of the seat ring is combined with the bearing seat bore diameter and form and position tolerances recommended for super precision cylindrical roller bearings to give the bearing seat hole an appropriate radial clearance. If the outer ring is not axially pressed in the bearing seat, the clearance is sufficient to prevent the thrust bearing from bearing radial loads. The 234 series double direction thrust angular contact ball bearings are 60° contact angle structures, consisting of a seat ring with a lubricating oil groove and oil hole, two shaft rings, a spacer and two cage assemblies with many steel balls; the width of the spacer can ensure that the bearings are preloaded. Double direction angular contact ball bearings can withstand bidirectional axial loads and do not withstand radial loads.

They have high precision, good rigidity, good lubrication, low temperature rise, high speed and easy loading and unloading. This type of bearing is widely used in the spindles of grinders, lathes, boring machines, milling machines, drilling machines, etc., and is particularly suitable for use in precision machine tool spindles when combined with double-row cylindrical roller bearings.

Our company has professional sales and technical engineers who are responsible for providing users with technical consultation, technical services and product technical training on precision bearing data and installation and use. Perfect pre-sales, in-sales and after-sales services constitute a guarantee system for high-quality services, providing users with reliable quality bearing products, and creating excellent user experience and rich benefits for every customer.

If you have any questions about products and services, please contact the company's service department directly.


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SelectDownloadInquiryDesignationMain dimensionsBasic load ratingsFatigue limit loadLimiting speedsDimensionsContact angleMounting dimensionsPreload force FVLift-off force KaEAxial rigidity caMass
dDBDyn. Cr(KN)Stat. Cor( kN)Cur NnG grease minnG oil minr min.r1 min.BNSNSBa °da h12Da H12ra max.ra1 max.L NM NH NL NM NH NL N/µmM N/µmH N/µmm = kg
Download PDF HCB7007-EDLR-T-P4S 35 62 14 18.4 8.8 670 30000 45000 1 1 2.8 8 1.4 25 41 56 1 0.3 54 257 585 157 761 1771 72.1 126 173 0.134
Download PDF HCB7007-CDLR-T-P4S 35 62 14 19.3 9.2 700 34000 53000 1 1 2.8 8 1.4 15 41 56 1 0.3 46 175 372 138 558 1255 32 55.5 78.9 0.134
Download PDF HC7007-EDLR-T-P4S 35 62 14 8.4 4.5 345 38000 60000 1 1 2.8 8 1.4 25 41 56 1 0.3 35 105 210 101 307 623 67.3 99.5 129 0.162
Download PDF XC7007-EDLR-T-P4S 35 62 14 12.8 4.5 345 43000 67000 1 1 2.8 8 1.4 25 41 56 1 0.3 35 105 210 101 307 623 67.3 99.5 129 0.162
Download PDF HCB71908-EDLR-T-P4S 40 62 12 17.1 9 680 28000 45000 0.6 0.6 2.2 6.6 1.4 25 45 58.5 0.6 0.15 41 220 514 117 645 1548 72.4 132 183 0.086
Download PDF HCB71908-CDLR-T-P4S 40 62 12 18 9.4 720 32000 50000 0.6 0.6 2.2 6.6 1.4 15 45 58.5 0.6 0.15 39 156 337 116 494 1127 33.5 59.2 84.7 0.086
Download PDF HC71908-EDLR-T-P4S 40 62 12 6.4 3.9 295 36000 56000 0.6 0.6 2.2 6.6 1.4 25 45 58.5 0.6 0.15 27 82 164 78 238 484 66.4 98 127 0.119
Download PDF XC71908-EDLR-T-P4S 40 62 12 9.7 3.9 295 40000 63000 0.6 0.6 2.2 6.6 1.4 25 45 58.5 0.6 0.15 27 82 164 78 238 484 66.4 98 127 0.119
Download PDF HCB7008-EDLR-T-P4S 40 68 15 19.9 10.2 780 28000 43000 1 1 2.8 8.5 1.4 25 46 62 1 0.3 55 271 622 159 797 1875 80 142 195 0.164
Download PDF HCB7008-CDLR-T-P4S 40 68 15 20.9 10.7 820 30000 45000 1 1 2.8 8.5 1.4 15 46 62 1 0.3 49 188 402 146 597 1350 36.1 63.1 89.9 0.164
Download PDF HC7008-EDLR-T-P4S 40 68 15 8.9 5.2 395 34000 53000 1 1 2.8 8.5 1.4 25 46 62 1 0.3 37 110 221 106 321 652 74.2 110 142 0.202
Download PDF XC7008-EDLR-T-P4S 40 68 15 13.7 5.2 395 38000 60000 1 1 2.8 8.5 1.4 25 46 62 1 0.3 37 110 221 106 321 652 74.2 110 142 0.202
Download PDF HCB71909-EDLR-T-P4S 45 68 12 18.2 10.2 770 26000 40000 0.6 0.6 2.2 6.6 1.4 25 50 63.5 0.6 0.15 42 233 547 121 682 1643 78.5 144 200 0.107
Download PDF HCB71909-CDLR-T-P4S 45 68 12 19.1 10.7 820 28000 45000 0.6 0.6 2.2 6.6 1.4 15 50 63.5 0.6 0.15 40 164 355 120 516 1182 36.2 64.1 91.7 0.107
Download PDF HC71909-EDLR-T-P4S 45 68 12 9.1 5.4 410 32000 50000 0.6 0.6 2.2 6.6 1.4 25 50 63.5 0.6 0.15 38 113 226 108 329 667 76.6 113 146 0.129
Download PDF XC71909-EDLR-T-P4S 45 68 12 13.9 5.4 410 36000 56000 0.6 0.6 2.2 6.6 1.4 25 50 63.5 0.6 0.15 38 113 226 108 329 667 76.6 113 146 0.129
Download PDF HCB7009-EDLR-T-P4S 45 75 16 26.5 13.6 1030 24000 38000 1 1 3.4 9.3 1.4 25 51 69 1 0.3 89 389 869 254 1145 2622 95.8 163 223 0.191
Download PDF HCB7009-CDLR-T-P4S 45 75 16 28 14.3 1090 26000 40000 1 1 3.4 9.3 1.4 15 51 69 1 0.3 71 261 549 212 827 1843 41.9 71.9 102 0.191
Download PDF HC7009-EDLR-T-P4S 45 75 16 11.6 6.8 520 30000 48000 1 1 3.4 9.3 1.4 25 51 69 1 0.3 48 143 286 137 417 848 84.4 125 161 0.248
Download PDF XC7009-EDLR-T-P4S 45 75 16 17.8 6.8 520 34000 53000 1 1 3.4 9.3 1.4 25 51 69 1 0.3 48 143 286 137 417 848 84.4 125 161 0.248
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