
Our SM Series Angular Contact Bearings increases speed by approx. 20% compared to our standard “S” series due to a few key differences in the product design.
Top characteristics of the SM Series:

- Lower operating friction & temperatures lead to a longer lifespan.
- Contact angles available in 15° and 25° (custom contact angles available by request).
- Specially crafted inner ring can support an average of 20% higher operational speeds (compared to our standard S Series).
- Supports RPM speeds up to 230,000 (steel) / 287,500 (ceramic).
- ID: 5mm to 120mm
- OD: 14mm to 180mm
All our GMN Angular Contact Bearings are manufactured to ABEC 7 standards (P4+) with ABEC 9 (P2) running accuracy.
Selection Options
- Ball Material: 52100 Bearing Steel or Ceramic (Silicon Nitride, Si3N4)
- Lubrication: Grease or Oil
- Contact Angle: 15° (C) to 25° (E)
- Cage Material: Phenolic Resin (standard) or PEEK with Carbon Fiber reinforcement
- Preload: Light, Medium, Heavy (or custom)
- Bearing Set: Single, Double, Triple, or Quad Sets, with Universal Matching
- Direct Oil Lubrication: Available on request we can provide a small hole on the outer ring of the bearing for lateral oil supply.
- Grease Lubrication: Available on request we can provide a slightly larger hole on the outer ring of the bearing for grease lubrication.
Product Table Key
- C: 15° Contact Angle
- E: 25° Contact Angle
- TA: Phenolic Resin (standard) Cage
- HY: Hybrid: Ceramic (Silicon Nitride, Si3N4) balls with bearing tool steel races
Slug | Part Number | Ball Material | Bore Diameter d [mm] | Outer Diameter D [mm] | Width W [mm] | Limiting Speed: Oil Lub. [1/min] | Limiting Speed: Grease Lub. [1/min] | Load Rating: Dynamic C [N] | Load Rating: Static C0 [N] | |
---|---|---|---|---|---|---|---|---|---|---|
bb-sm-605-c-ta-angular-contact-bearing | SM605 C TA | Steel | 5 | 14 | 5 | 230000 | 170000 | 990 | 310 | |
bb-hy-sm-605-c-ta-angular-contact-bearing | HY SM605 C TA | Ceramic (Si3N4) | 5 | 14 | 5 | 287500 | 212500 | 990 | 216 | |
bb-sm-606-c-ta-angular-contact-bearing | SM606 C TA | Steel | 6 | 17 | 6 | 200000 | 150000 | 1100 | 370 | |
bb-hy-sm-606-c-ta-angular-contact-bearing | HY SM606 C TA | Ceramic (Si3N4) | 6 | 17 | 6 | 250000 | 187500 | 1100 | 260 | |
bb-sm-607-c-ta-angular-contact-bearing | SM607 C TA | Steel | 7 | 19 | 6 | 150000 | 110000 | 1920 | 675 | |
bb-hy-sm-607-c-ta-angular-contact-bearing | HY SM607 C TA | Ceramic (Si3N4) | 7 | 19 | 6 | 187500 | 137500 | 1920 | 475 | |
bb-sm-608-c-ta-angular-contact-bearing | SM608 C TA | Steel | 8 | 22 | 7 | 136000 | 100000 | 2700 | 980 | |
bb-hy-sm-608-c-ta-angular-contact-bearing | HY SM608 C TA | Ceramic (Si3N4) | 8 | 22 | 7 | 170000 | 125000 | 2700 | 685 | |
bb-sm-609-c-ta-angular-contact-bearing | SM609 C TA | Steel | 9 | 24 | 7 | 120000 | 90000 | 2950 | 1150 | |
bb-hy-sm-609-c-ta-angular-contact-bearing | HY SM609 C TA | Ceramic (Si3N4) | 9 | 24 | 7 | 150000 | 112500 | 2950 | 810 | |
bb-sm-6000-c-ta-angular-contact-bearing | SM6000 C TA | Steel | 10 | 26 | 8 | 111000 | 83000 | 3950 | 1530 | |
bb-sm-61900-c-ta-angular-contact-bearing | SM61900 C TA | Steel | 10 | 22 | 6 | 125000 | 94000 | 2080 | 810 | |
bb-hy-sm-6000-c-ta-angular-contact-bearing | HY SM6000 C TA | Ceramic (Si3N4) | 10 | 26 | 8 | 138750 | 103750 | 3950 | 1070 | |
bb-hy-sm-61900-c-ta-angular-contact-bearing | HY SM61900 C TA | Ceramic (Si3N4) | 10 | 22 | 6 | 156250 | 117500 | 2080 | 565 | |
bb-sm-6001-c-ta-angular-contact-bearing | SM6001 C TA | Steel | 12 | 28 | 8 | 100000 | 75000 | 4300 | 1750 | |
bb-sm-61901-c-ta-angular-contact-bearing | SM61901 C TA | Steel | 12 | 24 | 6 | 115000 | 86000 | 2330 | 990 | |
bb-hy-sm-6001-c-ta-angular-contact-bearing | HY SM6001 C TA | Ceramic (Si3N4) | 12 | 28 | 8 | 125000 | 93750 | 4300 | 1230 | |
bb-hy-sm-61901-c-ta-angular-contact-bearing | HY SM61901 C TA | Ceramic (Si3N4) | 12 | 24 | 6 | 143750 | 107500 | 2330 | 695 | |
bb-sm-6002-c-ta-angular-contact-bearing | SM6002 C TA | Steel | 15 | 32 | 9 | 85000 | 64000 | 4900 | 2140 | |
bb-sm-61902-c-ta-angular-contact-bearing | SM61902 C TA | Steel | 15 | 28 | 7 | 93000 | 70000 | 3600 | 1560 | |
bb-hy-sm-6002-c-ta-angular-contact-bearing | HY SM6002 C TA | Ceramic (Si3N4) | 15 | 32 | 9 | 106250 | 80000 | 4900 | 1510 | |
bb-hy-sm-61902-c-ta-angular-contact-bearing | HY SM61902 C TA | Ceramic (Si3N4) | 15 | 28 | 7 | 116250 | 87500 | 3600 | 1100 | |
bb-sm-6003-c-ta-angular-contact-bearing | SM6003 C TA | Steel | 17 | 35 | 10 | 77000 | 58000 | 5150 | 2410 | |
bb-sm-61903-c-ta-angular-contact-bearing | SM61903 C TA | Steel | 17 | 30 | 7 | 84000 | 63000 | 3750 | 1750 | |
bb-hy-sm-6003-c-ta-angular-contact-bearing | HY SM6003 C TA | Ceramic (Si3N4) | 17 | 35 | 10 | 96250 | 72500 | 5150 | 1690 | |
bb-hy-sm-61903-c-ta-angular-contact-bearing | HY SM61903 C TA | Ceramic (Si3N4) | 17 | 30 | 7 | 105000 | 78750 | 3750 | 1230 | |
bb-sm-6004-c-ta-angular-contact-bearing | SM6004 C TA | Steel | 20 | 42 | 12 | 65000 | 49000 | 8300 | 3800 | |
bb-sm-61904-c-ta-angular-contact-bearing | SM61904 C TA | Steel | 20 | 37 | 9 | 70000 | 52000 | 5400 | 2700 | |
bb-hy-sm-6004-c-ta-angular-contact-bearing | HY SM6004 C TA | Ceramic (Si3N4) | 20 | 42 | 12 | 81250 | 61250 | 8300 | 2700 | |
bb-hy-sm-61904-c-ta-angular-contact-bearing | HY SM61904 C TA | Ceramic (Si3N4) | 20 | 37 | 9 | 87500 | 65000 | 5400 | 1870 | |
bb-sm-6005-c-ta-angular-contact-bearing | SM6005 C TA | Steel | 25 | 47 | 12 | 55000 | 41000 | 9200 | 4700 | |
bb-sm-61905-c-ta-angular-contact-bearing | SM61905 C TA | Steel | 25 | 42 | 9 | 59000 | 44000 | 5800 | 3150 | |
bb-hy-sm-6005-c-ta-angular-contact-bearing | HY SM6005 C TA | Ceramic (Si3N4) | 25 | 47 | 12 | 68750 | 51250 | 9200 | 3300 | |
bb-hy-sm-61905-c-ta-angular-contact-bearing | HY SM61905 C TA | Ceramic (Si3N4) | 25 | 42 | 9 | 73750 | 55000 | 5800 | 2200 | |
bb-sm-6006-c-ta-angular-contact-bearing | SM6006 C TA | Steel | 30 | 55 | 13 | 47000 | 35000 | 11900 | 6450 | |
bb-sm-61906-c-ta-angular-contact-bearing | SM61906 C TA | Steel | 30 | 47 | 9 | 52000 | 39000 | 5950 | 3400 | |
bb-hy-sm-6006-c-ta-angular-contact-bearing | HY SM6006 C TA | Ceramic (Si3N4) | 30 | 55 | 13 | 58750 | 43750 | 11900 | 4550 | |
bb-hy-sm-61906-c-ta-angular-contact-bearing | HY SM61906 C TA | Ceramic (Si3N4) | 30 | 47 | 9 | 65000 | 48750 | 5950 | 2380 | |
bb-sm-6007-c-ta-angular-contact-bearing | SM6007 C TA | Steel | 35 | 62 | 14 | 41000 | 31000 | 14300 | 8000 | |
bb-sm-61907-c-ta-angular-contact-bearing | SM61907 C TA | Steel | 35 | 55 | 10 | 44000 | 33000 | 8000 | 4750 | |
bb-hy-sm-6007-c-ta-angular-contact-bearing | HY SM6007 C TA | Ceramic (Si3N4) | 35 | 62 | 14 | 51250 | 38750 | 14300 | 5650 | |
bb-hy-sm-61907-c-ta-angular-contact-bearing | HY SM61907 C TA | Ceramic (Si3N4) | 35 | 55 | 10 | 55000 | 41250 | 8000 | 3350 | |
bb-sm-6008-c-ta-angular-contact-bearing | SM6008 C TA | Steel | 40 | 68 | 15 | 37000 | 27500 | 15400 | 9300 | |
bb-sm-61908-c-ta-angular-contact-bearing | SM61908 C TA | Steel | 40 | 62 | 12 | 39000 | 29000 | 10400 | 6350 | |
bb-hy-sm-6008-c-ta-angular-contact-bearing | HY SM6008 C TA | Ceramic (Si3N4) | 40 | 68 | 15 | 46250 | 34375 | 15400 | 6500 | |
bb-hy-sm-61908-c-ta-angular-contact-bearing | HY SM61908 C TA | Ceramic (Si3N4) | 40 | 62 | 12 | 48750 | 36250 | 10400 | 4500 | |
bb-sm-6009-c-ta-angular-contact-bearing | SM6009 C TA | Steel | 45 | 75 | 16 | 33000 | 24500 | 18500 | 11400 | |
bb-sm-61909-c-ta-angular-contact-bearing | SM61909 C TA | Steel | 45 | 68 | 12 | 35000 | 26000 | 10600 | 6800 | |
bb-hy-sm-6009-c-ta-angular-contact-bearing | HY SM6009 C TA | Ceramic (Si3N4) | 45 | 75 | 16 | 41250 | 30625 | 18500 | 8000 | |
bb-hy-sm-61909-c-ta-angular-contact-bearing | HY SM61909 C TA | Ceramic (Si3N4) | 45 | 68 | 12 | 43750 | 32500 | 10600 | 4800 | |
bb-sm-6010-c-ta-angular-contact-bearing | SM6010 C TA | Steel | 50 | 80 | 16 | 31000 | 23000 | 19000 | 12300 | |
bb-sm-61910-c-ta-angular-contact-bearing | SM61910 C TA | Steel | 50 | 72 | 12 | 33000 | 24500 | 10900 | 7200 | |
bb-hy-sm-6010-c-ta-angular-contact-bearing | HY SM6010 C TA | Ceramic (Si3N4) | 50 | 80 | 16 | 38750 | 28750 | 19000 | 8600 | |
bb-hy-sm-61910-c-ta-angular-contact-bearing | HY SM61910 C TA | Ceramic (Si3N4) | 50 | 72 | 12 | 41250 | 30625 | 10900 | 5100 | |
bb-sm-6011-c-ta-angular-contact-bearing | SM6011 C TA | Steel | 55 | 90 | 18 | 27500 | 20500 | 23100 | 15500 | |
bb-sm-61911-c-ta-angular-contact-bearing | SM61911 C TA | Steel | 55 | 80 | 13 | 29500 | 22000 | 13600 | 9400 | |
bb-hy-sm-6011-c-ta-angular-contact-bearing | HY SM6011 C TA | Ceramic (Si3N4) | 55 | 90 | 18 | 34375 | 25625 | 23100 | 10900 | |
bb-hy-sm-61911-c-ta-angular-contact-bearing | HY SM61911 C TA | Ceramic (Si3N4) | 55 | 80 | 13 | 36875 | 27500 | 13600 | 6600 | |
bb-sm-6012-c-ta-angular-contact-bearing | SM6012 C TA | Steel | 60 | 95 | 18 | 26000 | 19500 | 24500 | 17400 | |
bb-sm-61912-c-ta-angular-contact-bearing | SM61912 C TA | Steel | 60 | 85 | 13 | 27500 | 20500 | 14100 | 10300 | |
bb-hy-sm-6012-c-ta-angular-contact-bearing | HY SM6012 C TA | Ceramic (Si3N4) | 60 | 95 | 18 | 32500 | 24375 | 24500 | 12200 | |
bb-hy-sm-61912-c-ta-angular-contact-bearing | HY SM61912 C TA | Ceramic (Si3N4) | 60 | 85 | 13 | 34375 | 25625 | 14100 | 7200 | |
bb-sm-6013-c-ta-angular-contact-bearing | SM6013 C TA | Steel | 65 | 100 | 18 | 24000 | 18000 | 25000 | 18400 | |
bb-sm-61913-c-ta-angular-contact-bearing | SM61913 C TA | Steel | 65 | 90 | 13 | 26000 | 19500 | 14400 | 10800 | |
bb-hy-sm-6013-c-ta-angular-contact-bearing | HY SM6013 C TA | Ceramic (Si3N4) | 65 | 100 | 18 | 30000 | 22500 | 25000 | 13000 | |
bb-hy-sm-61913-c-ta-angular-contact-bearing | HY SM61913 C TA | Ceramic (Si3N4) | 65 | 90 | 13 | 32500 | 24375 | 14400 | 7600 | |
bb-sm-6014-c-ta-angular-contact-bearing | SM6014 C TA | Steel | 70 | 110 | 20 | 22000 | 16500 | 35500 | 25500 | |
bb-sm-61914-c-ta-angular-contact-bearing | SM61914 C TA | Steel | 70 | 100 | 16 | 23500 | 17500 | 17300 | 13000 | |
bb-hy-sm-6014-c-ta-angular-contact-bearing | HY SM6014 C TA | Ceramic (Si3N4) | 70 | 110 | 20 | 27500 | 20625 | 35500 | 17800 | |
bb-hy-sm-61914-c-ta-angular-contact-bearing | HY SM61914 C TA | Ceramic (Si3N4) | 70 | 100 | 16 | 29375 | 21875 | 17300 | 9200 | |
bb-sm-6015-c-ta-angular-contact-bearing | SM6015 C TA | Steel | 75 | 115 | 20 | 21000 | 15500 | 36000 | 26500 | |
bb-sm-61915-c-ta-angular-contact-bearing | SM61915 C TA | Steel | 75 | 105 | 16 | 22000 | 16500 | 20800 | 16000 | |
bb-hy-sm-6015-c-ta-angular-contact-bearing | HY SM6015 C TA | Ceramic (Si3N4) | 75 | 115 | 20 | 26250 | 19375 | 36000 | 18700 | |
bb-hy-sm-61915-c-ta-angular-contact-bearing | HY SM61915 C TA | Ceramic (Si3N4) | 75 | 105 | 16 | 27500 | 20625 | 20800 | 11300 | |
bb-sm-6016-c-ta-angular-contact-bearing | SM6016 C TA | Steel | 80 | 125 | 22 | 19500 | 14500 | 43000 | 31000 | |
bb-sm-61916-c-ta-angular-contact-bearing | SM61916 C TA | Steel | 80 | 110 | 16 | 21000 | 15500 | 25500 | 20100 | |
bb-hy-sm-6016-c-ta-angular-contact-bearing | HY SM6016 C TA | Ceramic (Si3N4) | 80 | 125 | 22 | 24375 | 18125 | 43000 | 21600 | |
bb-hy-sm-61916-c-ta-angular-contact-bearing | HY SM61916 C TA | Ceramic (Si3N4) | 80 | 110 | 16 | 26250 | 19375 | 25500 | 14200 | |
bb-sm-6017-c-ta-angular-contact-bearing | SM6017 C TA | Steel | 85 | 130 | 22 | 18500 | 14000 | 44000 | 32500 | |
bb-sm-61917-c-ta-angular-contact-bearing | SM61917 C TA | Steel | 85 | 120 | 18 | 19500 | 14500 | 29500 | 23200 | |
bb-hy-sm-6017-c-ta-angular-contact-bearing | HY SM6017 C TA | Ceramic (Si3N4) | 85 | 130 | 22 | 23125 | 17500 | 44000 | 22900 | |
bb-hy-sm-61917-c-ta-angular-contact-bearing | HY SM61917 C TA | Ceramic (Si3N4) | 85 | 120 | 18 | 24375 | 18125 | 29500 | 16300 | |
bb-sm-6018-c-ta-angular-contact-bearing | SM6018 C TA | Steel | 90 | 140 | 24 | 17500 | 13000 | 52000 | 38500 | |
bb-sm-61918-c-ta-angular-contact-bearing | SM61918 C TA | Steel | 90 | 125 | 18 | 18500 | 14000 | 30000 | 24200 | |
bb-hy-sm-6018-c-ta-angular-contact-bearing | HY SM6018 C TA | Ceramic (Si3N4) | 90 | 140 | 24 | 21875 | 16250 | 52000 | 27000 | |
bb-hy-sm-61918-c-ta-angular-contact-bearing | HY SM61918 C TA | Ceramic (Si3N4) | 90 | 125 | 18 | 23125 | 17500 | 30000 | 17000 | |
bb-sm-6019-c-ta-angular-contact-bearing | SM6019 C TA | Steel | 95 | 145 | 24 | 16500 | 12500 | 53500 | 41000 | |
bb-sm-61919-c-ta-angular-contact-bearing | SM61919 C TA | Steel | 95 | 130 | 18 | 18000 | 13500 | 30500 | 25500 | |
bb-hy-sm-6019-c-ta-angular-contact-bearing | HY SM6019 C TA | Ceramic (Si3N4) | 95 | 145 | 24 | 20625 | 15625 | 53500 | 28500 | |
bb-hy-sm-61919-c-ta-angular-contact-bearing | HY SM61919 C TA | Ceramic (Si3N4) | 95 | 130 | 18 | 22500 | 16875 | 30500 | 17800 | |
bb-sm-6020-c-ta-angular-contact-bearing | SM6020 C TA | Steel | 100 | 150 | 24 | 16000 | 12000 | 55000 | 43000 | |
bb-sm-61920-c-ta-angular-contact-bearing | SM61920 C TA | Steel | 100 | 140 | 20 | 16500 | 12500 | 37500 | 31000 | |
bb-hy-sm-6020-c-ta-angular-contact-bearing | HY SM6020 C TA | Ceramic (Si3N4) | 100 | 150 | 24 | 20000 | 15000 | 55000 | 30500 | |
bb-hy-sm-61920-c-ta-angular-contact-bearing | HY SM61920 C TA | Ceramic (Si3N4) | 100 | 140 | 20 | 20625 | 15625 | 37500 | 21700 | |
bb-sm-6021-c-ta-angular-contact-bearing | SM6021 C TA | Steel | 105 | 160 | 26 | 15000 | 11000 | 60500 | 48000 | |
bb-sm-61921-c-ta-angular-contact-bearing | SM61921 C TA | Steel | 105 | 145 | 20 | 16000 | 12000 | 38500 | 32500 | |
bb-hy-sm-6021-c-ta-angular-contact-bearing | HY SM6021 C TA | Ceramic (Si3N4) | 105 | 160 | 26 | 18750 | 13750 | 60500 | 34000 | |
bb-hy-sm-61921-c-ta-angular-contact-bearing | HY SM61921 C TA | Ceramic (Si3N4) | 105 | 145 | 20 | 20000 | 15000 | 38500 | 22700 | |
bb-sm-6022-c-ta-angular-contact-bearing | SM6022 C TA | Steel | 110 | 170 | 28 | 14500 | 11000 | 70000 | 55000 | |
bb-sm-61922-c-ta-angular-contact-bearing | SM61922 C TA | Steel | 110 | 150 | 20 | 15500 | 11500 | 39000 | 34000 | |
bb-hy-sm-6022-c-ta-angular-contact-bearing | HY SM6022 C TA | Ceramic (Si3N4) | 110 | 170 | 28 | 18125 | 13750 | 70000 | 39000 | |
bb-hy-sm-61922-c-ta-angular-contact-bearing | HY SM61922 C TA | Ceramic (Si3N4) | 110 | 150 | 20 | 19375 | 14375 | 39000 | 23700 | |
bb-sm-6024-c-ta-angular-contact-bearing | SM6024 C TA | Steel | 120 | 180 | 28 | 13500 | 10000 | 74000 | 61000 | |
bb-sm-61924-c-ta-angular-contact-bearing | SM61924 C TA | Steel | 120 | 165 | 22 | 14000 | 10500 | 49500 | 43500 | |
bb-hy-sm-6024-c-ta-angular-contact-bearing | HY SM6024 C TA | Ceramic (Si3N4) | 120 | 180 | 28 | 16875 | 12500 | 74000 | 43000 | |
bb-hy-sm-61924-c-ta-angular-contact-bearing | HY SM61924 C TA | Ceramic (Si3N4) | 120 | 165 | 22 | 17500 | 13125 | 49500 | 30500 |