These thin section bearings should be used in assemblies with space and weight limitations. 61800 series bearings are available in a wide range of dimensions and strengths, capable of handling dynamic loads from 540 N all the way up to 559,000 N.

Available Dimensions:

Bore diameter: 4 mm to 800 mm.

Outer diameter: 9 mm to 980 mm.

Width: 2.8 mm to 82 mm.

More Options: 61800 series bearings can be protected by either metal shields (ZZ) or rubber seals (2RS). Metal shields offer dust and temperature resistance and do not affect the speed rating of the bearings. To protect bearings from contamination and leakage, rubber seals are a better choice.

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Item #

(d) Bore Diameter

(D) Outer Diameter

(B) Width

(C) Dynamic Load

(Co) Static Load

(Seal) Lubrication Speed

(Grease) Lubrication Speed

(Oil) Lubrication Speed

618/4 N/A 4 mm N/A 9 mm N/A 2.5 mm N/A 540 N N/A 180 N N/A N/A 63000 r/min N/A 75000 r/min
618/5 N/A 5 mm N/A 11 mm N/A 3 mm N/A 637 N N/A 255 N N/A N/A 53000 r/min N/A 63000 r/min
618/6 N/A 6 mm N/A 13 mm N/A 3.5 mm N/A 884 N N/A 345 N N/A N/A 48000 r/min N/A 56000 r/min
618/7 N/A 7 mm N/A 14 mm N/A 3.5 mm N/A 956 N N/A 400 N N/A N/A 45000 r/min N/A 53000 r/min
618/8 N/A 8 mm N/A 16 mm N/A 4 mm N/A 1330 N N/A 570 N N/A N/A 40000 r/min N/A 48000 r/min
618/9 N/A 9 mm N/A 17 mm N/A 4 mm N/A 1430 N N/A 640 N N/A N/A 38000 r/min N/A 45000 r/min
61800 N/A 10 mm N/A 19 mm N/A 5 mm N/A 1380 N N/A 585 N N/A 20000 r/min N/A 36000 r/min N/A 43000 r/min
61801 N/A 12 mm N/A 21 mm N/A 5 mm N/A 1430 N N/A 670 N N/A 19000 r/min N/A 32000 r/min N/A 38000 r/min
61802 N/A 15 mm N/A 24 mm N/A 5 mm N/A 1560 N N/A 800 N N/A 17000 r/min N/A 28000 r/min N/A 34000 r/min
61803 N/A 17 mm N/A 26 mm N/A 5 mm N/A 1680 N N/A 930 N N/A 16000 r/min N/A 24000 r/min N/A 30000 r/min
61804 N/A 20 mm N/A 32 mm N/A 7 mm N/A 2700 N N/A 1500 N N/A 13000 r/min N/A 19000 r/min N/A 24000 r/min
61805 N/A 25 mm N/A 37 mm N/A 7 mm N/A 4360 N N/A 2600 N N/A 11000 r/min N/A 17000 r/min N/A 20000 r/min
61806 N/A 30 mm N/A 42 mm N/A 7 mm N/A 4490 N N/A 2900 N N/A 9500 r/min N/A 15000 r/min N/A 18000 r/min
61807 N/A 35 mm N/A 47 mm N/A 7 mm N/A 4750 N N/A 3200 N N/A 8000 r/min N/A 13000 r/min N/A 16000 r/min
61808 N/A 40 mm N/A 52 mm N/A 7 mm N/A 4940 N N/A 3450 N N/A 7500 r/min N/A 11000 r/min N/A 14000 r/min
61809 N/A 45 mm N/A 58 mm N/A 7 mm N/A 6050 N N/A 4300 N N/A 6700 r/min N/A 9500 r/min N/A 12000 r/min
61810 N/A 50 mm N/A 65 mm N/A 7 mm N/A 6240 N N/A 4750 N N/A 6000 r/min N/A 9000 r/min N/A 11000 r/min
61811 N/A 55 mm N/A 72 mm N/A 9 mm N/A 8840 N N/A 6800 N N/A 5300 r/min N/A 8500 r/min N/A 10000 r/min
61812 N/A 60 mm N/A 78 mm N/A 10 mm N/A 8710 N N/A 6700 N N/A 4800 r/min N/A 7500 r/min N/A 9000 r/min
61813 N/A 65.000 mm N/A 85 mm N/A 10 mm N/A 11900 N N/A 9650 N N/A 4500 r/min N/A 7000 r/min N/A 8500 r/min
61814 N/A 70.000 mm N/A 90 mm N/A 10 mm N/A 12100 N N/A 10000 N N/A 4300 r/min N/A 6700 r/min N/A 8000 r/min
61815 N/A 75.000 mm N/A 95 mm N/A 10 mm N/A 12500 N N/A 10800 N N/A 4000 r/min N/A 6300 r/min N/A 7500 r/min
61816 N/A 80.000 mm N/A 100 mm N/A 10 mm N/A 12700 N N/A 11200 N N/A 3600 r/min N/A 6000 r/min N/A 7000 r/min
61817 N/A 85.000 mm N/A 110 mm N/A 13 mm N/A 19500 N N/A 16600 N N/A 3400 r/min N/A 5300 r/min N/A 6300 r/min
61818 N/A 90.000 mm N/A 115 mm N/A 13 mm N/A 19500 N N/A 17000 N N/A 3200 r/min N/A 5300 r/min N/A 6300 r/min
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