• FAG Inch Series Tapered Roller Bearings (K Designation)
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FAG Inch Series Tapered Roller Bearings (K Designation)

FAG Inch Series Tapered Roller Bearings (K Designation)

Single row tapered roller bearings in inch dimensions, designated with prefix K followed by the cone and cup part numbers (e.g. KLM11749-LM11710).

Key features

  • Inch-dimensioned cone and cup assemblies for replacement and existing designs
  • Separable design: cone assembly and cup mount separately
  • Supports combined radial and one-direction axial loads
  • Dimensions listed in mm (converted from inch)
  • For new designs the catalogue recommends metric series

Specifications

Brand FAG
Product type Tapered Roller Bearings
Design Single row, inch series
Designation K + cone - cup
Bore d 17.462 - 673.1 mm
Outside diameter D 39.878 - 793.75 mm
Width T 13.843 - 82.55 mm
Source FAG Rolling Bearings HR 1 catalogue, p. 496-499
KLM11749-LM11710 d: 17.462 mm | D: 39.878 mm | T: 13.843 mm | Cr: 21.2 kN | C0r: 20.8 kN | m: 0.086 kg
KM12649-M12610 d: 21.43 mm | D: 50.005 mm | T: 17.526 mm | Cr: 37.5 kN | C0r: 39 kN | m: 0.163 kg
KLM12749-LM12710 d: 21.986 mm | D: 45.237 mm | T: 15.494 mm | Cr: 28.5 kN | C0r: 32 kN | m: 0.12 kg
K15578-15520 d: 25.4 mm | D: 57.15 mm | T: 17.462 mm | Cr: 38.5 kN | C0r: 44 kN | m: 0.217 kg
KL44649-L44610 d: 26.988 mm | D: 50.292 mm | T: 14.224 mm | Cr: 26 kN | C0r: 29.5 kN | m: 0.137 kg
KM86647-M86610 d: 28.575 mm | D: 64.292 mm | T: 21.433 mm | Cr: 52 kN | C0r: 67 kN | m: 0.353 kg
KM86649-M86610 d: 30.162 mm | D: 64.292 mm | T: 21.433 mm | Cr: 52 kN | C0r: 67 kN | m: 0.375 kg
KLM48548-LM48510 d: 34.925 mm | D: 65.088 mm | T: 18.034 mm | Cr: 46.5 kN | C0r: 56 kN | m: 0.273 kg
KHM88649-HM88610 d: 34.925 mm | D: 72.233 mm | T: 25.4 mm | Cr: 68 kN | C0r: 91 kN | m: 0.5 kg
KL68149-L68111 d: 34.988 mm | D: 59.974 mm | T: 15.875 mm | Cr: 34 kN | C0r: 44.5 kN | m: 0.179 kg
KJL69349-JL69310 d: 38 mm | D: 63 mm | T: 17 mm | Cr: 39.5 kN | C0r: 53 kN | m: 0.217 kg
K3382-3320 d: 39.688 mm | D: 80.167 mm | T: 29.37 mm | Cr: 94 kN | C0r: 109 kN | m: 0.651 kg
KLM300849-LM300811 d: 40.987 mm | D: 67.975 mm | T: 17.5 mm | Cr: 46 kN | C0r: 63 kN | m: 0.255 kg
KLM501349-LM501310 d: 41.275 mm | D: 73.431 mm | T: 19.558 mm | Cr: 55 kN | C0r: 68 kN | m: 0.365 kg
KLM501349-LM501314 d: 41.275 mm | D: 73.431 mm | T: 21.43 mm | Cr: 55 kN | C0r: 68 kN | m: 0.385 kg
KM802048-M802011 d: 41.275 mm | D: 82.55 mm | T: 26.543 mm | Cr: 83 kN | C0r: 111 kN | m: 0.661 kg
K3585-3525 d: 41.275 mm | D: 87.313 mm | T: 30.163 mm | Cr: 97 kN | C0r: 121 kN | m: 0.857 kg
K25577-25523 d: 42.875 mm | D: 82.931 mm | T: 26.988 mm | Cr: 81 kN | C0r: 105 kN | m: 0.715 kg
K3782-3720 d: 44.45 mm | D: 93.264 mm | T: 30.162 mm | Cr: 104 kN | C0r: 137 kN | m: 0.976 kg
K53178-53377 d: 44.45 mm | D: 95.25 mm | T: 30.958 mm | Cr: 89 kN | C0r: 98 kN | m: 0.95 kg
K527-522 d: 44.45 mm | D: 101.6 mm | T: 34.925 mm | Cr: 127 kN | C0r: 152 kN | m: 1.29 kg
K17887-17831 d: 45.23 mm | D: 79.985 mm | T: 19.842 mm | Cr: 60 kN | C0r: 77 kN | m: 0.421 kg
K45284-45220 d: 50.8 mm | D: 104.775 mm | T: 30.162 mm | Cr: 126 kN | C0r: 162 kN | m: 1.25 kg
K4580-4535 d: 50.8 mm | D: 104.775 mm | T: 39.688 mm | Cr: 159 kN | C0r: 226 kN | m: 1.7 kg
K72200-72487 d: 50.8 mm | D: 123.825 mm | T: 36.512 mm | Cr: 135 kN | C0r: 150 kN | m: 2.181 kg
KLM806649-LM806610 d: 53.975 mm | D: 88.9 mm | T: 19.05 mm | Cr: 59 kN | C0r: 78 kN | m: 0.445 kg
KL507949-L507910 d: 57.15 mm | D: 87.312 mm | T: 18.258 mm | Cr: 56 kN | C0r: 88 kN | m: 0.4 kg
K387-A-382-A d: 57.15 mm | D: 96.838 mm | T: 21 mm | Cr: 76 kN | C0r: 95 kN | m: 0.593 kg
K39580-39520 d: 57.15 mm | D: 112.712 mm | T: 30.162 mm | Cr: 137 kN | C0r: 192 kN | m: 1.44 kg
K39581-39520 d: 57.15 mm | D: 112.712 mm | T: 30.162 mm | Cr: 137 kN | C0r: 192 kN | m: 1.44 kg
K555-S-552-A d: 57.15 mm | D: 123.825 mm | T: 38.1 mm | Cr: 169 kN | C0r: 236 kN | m: 2.44 kg
K28985-28921 d: 60.325 mm | D: 100 mm | T: 25.4 mm | Cr: 91 kN | C0r: 135 kN | m: 0.77 kg
K3982-3920 d: 63.5 mm | D: 112.712 mm | T: 30.162 mm | Cr: 119 kN | C0r: 176 kN | m: 1.3 kg
K559-552-A d: 63.5 mm | D: 123.825 mm | T: 38.1 mm | Cr: 169 kN | C0r: 236 kN | m: 2.07 kg
K3984-3920 d: 66.675 mm | D: 112.712 mm | T: 30.162 mm | Cr: 119 kN | C0r: 176 kN | m: 1.31 kg
KHM212049-HM212011 d: 66.675 mm | D: 122.238 mm | T: 38.1 mm | Cr: 193 kN | C0r: 255 kN | m: 1.93 kg
KH414242-H414210 d: 66.675 mm | D: 136.525 mm | T: 41.275 mm | Cr: 225 kN | C0r: 290 kN | m: 2.77 kg
KH715341-H715311 d: 66.675 mm | D: 136.525 mm | T: 46.038 mm | Cr: 230 kN | C0r: 370 kN | m: 3.42 kg
K47490-47420 d: 71.438 mm | D: 120 mm | T: 32.545 mm | Cr: 152 kN | C0r: 224 kN | m: 1.61 kg
K33287-33462 d: 73.025 mm | D: 117.475 mm | T: 30.162 mm | Cr: 124 kN | C0r: 189 kN | m: 1.21 kg
AK47686-47620 d: 82.55 mm | D: 133.35 mm | T: 33.338 mm | Cr: 153 kN | C0r: 235 kN | m: 1.94 kg
K580-572 d: 82.55 mm | D: 139.992 mm | T: 36.512 mm | Cr: 177 kN | C0r: 265 kN | m: 2.21 kg
K663-653 d: 82.55 mm | D: 146.05 mm | T: 41.275 mm | Cr: 211 kN | C0r: 305 kN | m: 2.71 kg
K498-492-A d: 84.138 mm | D: 133.35 mm | T: 30.163 mm | Cr: 134 kN | C0r: 200 kN | m: 1.69 kg
K497-492-A d: 85.725 mm | D: 133.35 mm | T: 30.162 mm | Cr: 134 kN | C0r: 200 kN | m: 1.63 kg
KHM218248-HM218210 d: 89.975 mm | D: 146.975 mm | T: 40 mm | Cr: 233 kN | C0r: 355 kN | m: 2.57 kg
K598-A-593-X d: 92.075 mm | D: 150 mm | T: 35.992 mm | Cr: 182 kN | C0r: 285 kN | m: 2.37 kg
K594-592-A d: 95.25 mm | D: 152.4 mm | T: 39.688 mm | Cr: 182 kN | C0r: 285 kN | m: 2.55 kg
K594-A-592-A d: 95.25 mm | D: 152.4 mm | T: 39.688 mm | Cr: 182 kN | C0r: 285 kN | m: 2.75 kg
K683-672 d: 95.25 mm | D: 168.275 mm | T: 41.275 mm | Cr: 226 kN | C0r: 350 kN | m: 4.03 kg
K42381-42584 d: 96.838 mm | D: 148.43 mm | T: 28.575 mm | Cr: 139 kN | C0r: 216 kN | m: 1.92 kg
K90381-90744 d: 96.838 mm | D: 188.912 mm | T: 50.8 mm | Cr: 270 kN | C0r: 340 kN | m: 5.69 kg
KJM720249-JM720210 d: 100 mm | D: 155 mm | T: 36 mm | Cr: 187 kN | C0r: 305 kN | m: 2.38 kg
KJM822049-JM822010 d: 110 mm | D: 165 mm | T: 35 mm | Cr: 188 kN | C0r: 305 kN | m: 2.51 kg
KJHM522649-JHM522610 d: 110 mm | D: 180 mm | T: 47 mm | Cr: 320 kN | C0r: 510 kN | m: 4.7 kg
K64450-64700 d: 114.3 mm | D: 177.8 mm | T: 41.275 mm | Cr: 241 kN | C0r: 395 kN | m: 3.55 kg
KHH231649-HH231615 d: 139.7 mm | D: 295.275 mm | T: 82.55 mm | Cr: 830 kN | C0r: 1120 kN | m: 24.1 kg
K107060-107105 d: 152.4 mm | D: 268.288 mm | T: 74.612 mm | Cr: 670 kN | C0r: 1070 kN | m: 16.7 kg
K36990-36920 d: 177.8 mm | D: 227.012 mm | T: 30.162 mm | Cr: 187 kN | C0r: 395 kN | m: 3.18 kg
KLL352149-LL352110 d: 279.4 mm | D: 317.5 mm | T: 24.384 mm | Cr: 162 kN | C0r: 440 kN | m: 2.6 kg
KLL481448-LL481411 d: 673.1 mm | D: 793.75 mm | T: 66.675 mm | Cr: 1170 kN | C0r: 3300 kN | m: 52.7 kg
Tapered Roller BearingsFAG
61 product codes available in this family
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FAG Inch Series Tapered Roller Bearings (K Designation)

Brand FAG·Tapered Roller Bearings

Available part numbers (61)

KLM11749-LM11710, KM12649-M12610, KLM12749-LM12710, K15578-15520, KL44649-L44610, KM86647-M86610, KM86649-M86610, KLM48548-LM48510, KHM88649-HM88610, KL68149-L68111 + 51 more — see full table ↓

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Product codes & specifications
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Product codeSpec
KLM11749-LM11710d: 17.462 mm | D: 39.878 mm | T: 13.843 mm | Cr: 21.2 kN | C0r: 20.8 kN | m: 0.086 kg
KM12649-M12610d: 21.43 mm | D: 50.005 mm | T: 17.526 mm | Cr: 37.5 kN | C0r: 39 kN | m: 0.163 kg
KLM12749-LM12710d: 21.986 mm | D: 45.237 mm | T: 15.494 mm | Cr: 28.5 kN | C0r: 32 kN | m: 0.12 kg
K15578-15520d: 25.4 mm | D: 57.15 mm | T: 17.462 mm | Cr: 38.5 kN | C0r: 44 kN | m: 0.217 kg
KL44649-L44610d: 26.988 mm | D: 50.292 mm | T: 14.224 mm | Cr: 26 kN | C0r: 29.5 kN | m: 0.137 kg
KM86647-M86610d: 28.575 mm | D: 64.292 mm | T: 21.433 mm | Cr: 52 kN | C0r: 67 kN | m: 0.353 kg
KM86649-M86610d: 30.162 mm | D: 64.292 mm | T: 21.433 mm | Cr: 52 kN | C0r: 67 kN | m: 0.375 kg
KLM48548-LM48510d: 34.925 mm | D: 65.088 mm | T: 18.034 mm | Cr: 46.5 kN | C0r: 56 kN | m: 0.273 kg
KHM88649-HM88610d: 34.925 mm | D: 72.233 mm | T: 25.4 mm | Cr: 68 kN | C0r: 91 kN | m: 0.5 kg
KL68149-L68111d: 34.988 mm | D: 59.974 mm | T: 15.875 mm | Cr: 34 kN | C0r: 44.5 kN | m: 0.179 kg
KJL69349-JL69310d: 38 mm | D: 63 mm | T: 17 mm | Cr: 39.5 kN | C0r: 53 kN | m: 0.217 kg
K3382-3320d: 39.688 mm | D: 80.167 mm | T: 29.37 mm | Cr: 94 kN | C0r: 109 kN | m: 0.651 kg
KLM300849-LM300811d: 40.987 mm | D: 67.975 mm | T: 17.5 mm | Cr: 46 kN | C0r: 63 kN | m: 0.255 kg
KLM501349-LM501310d: 41.275 mm | D: 73.431 mm | T: 19.558 mm | Cr: 55 kN | C0r: 68 kN | m: 0.365 kg
KLM501349-LM501314d: 41.275 mm | D: 73.431 mm | T: 21.43 mm | Cr: 55 kN | C0r: 68 kN | m: 0.385 kg
KM802048-M802011d: 41.275 mm | D: 82.55 mm | T: 26.543 mm | Cr: 83 kN | C0r: 111 kN | m: 0.661 kg
K3585-3525d: 41.275 mm | D: 87.313 mm | T: 30.163 mm | Cr: 97 kN | C0r: 121 kN | m: 0.857 kg
K25577-25523d: 42.875 mm | D: 82.931 mm | T: 26.988 mm | Cr: 81 kN | C0r: 105 kN | m: 0.715 kg
K3782-3720d: 44.45 mm | D: 93.264 mm | T: 30.162 mm | Cr: 104 kN | C0r: 137 kN | m: 0.976 kg
K53178-53377d: 44.45 mm | D: 95.25 mm | T: 30.958 mm | Cr: 89 kN | C0r: 98 kN | m: 0.95 kg
K527-522d: 44.45 mm | D: 101.6 mm | T: 34.925 mm | Cr: 127 kN | C0r: 152 kN | m: 1.29 kg
K17887-17831d: 45.23 mm | D: 79.985 mm | T: 19.842 mm | Cr: 60 kN | C0r: 77 kN | m: 0.421 kg
K45284-45220d: 50.8 mm | D: 104.775 mm | T: 30.162 mm | Cr: 126 kN | C0r: 162 kN | m: 1.25 kg
K4580-4535d: 50.8 mm | D: 104.775 mm | T: 39.688 mm | Cr: 159 kN | C0r: 226 kN | m: 1.7 kg
K72200-72487d: 50.8 mm | D: 123.825 mm | T: 36.512 mm | Cr: 135 kN | C0r: 150 kN | m: 2.181 kg
KLM806649-LM806610d: 53.975 mm | D: 88.9 mm | T: 19.05 mm | Cr: 59 kN | C0r: 78 kN | m: 0.445 kg
KL507949-L507910d: 57.15 mm | D: 87.312 mm | T: 18.258 mm | Cr: 56 kN | C0r: 88 kN | m: 0.4 kg
K387-A-382-Ad: 57.15 mm | D: 96.838 mm | T: 21 mm | Cr: 76 kN | C0r: 95 kN | m: 0.593 kg
K39580-39520d: 57.15 mm | D: 112.712 mm | T: 30.162 mm | Cr: 137 kN | C0r: 192 kN | m: 1.44 kg
K39581-39520d: 57.15 mm | D: 112.712 mm | T: 30.162 mm | Cr: 137 kN | C0r: 192 kN | m: 1.44 kg
K555-S-552-Ad: 57.15 mm | D: 123.825 mm | T: 38.1 mm | Cr: 169 kN | C0r: 236 kN | m: 2.44 kg
K28985-28921d: 60.325 mm | D: 100 mm | T: 25.4 mm | Cr: 91 kN | C0r: 135 kN | m: 0.77 kg
K3982-3920d: 63.5 mm | D: 112.712 mm | T: 30.162 mm | Cr: 119 kN | C0r: 176 kN | m: 1.3 kg
K559-552-Ad: 63.5 mm | D: 123.825 mm | T: 38.1 mm | Cr: 169 kN | C0r: 236 kN | m: 2.07 kg
K3984-3920d: 66.675 mm | D: 112.712 mm | T: 30.162 mm | Cr: 119 kN | C0r: 176 kN | m: 1.31 kg
KHM212049-HM212011d: 66.675 mm | D: 122.238 mm | T: 38.1 mm | Cr: 193 kN | C0r: 255 kN | m: 1.93 kg
KH414242-H414210d: 66.675 mm | D: 136.525 mm | T: 41.275 mm | Cr: 225 kN | C0r: 290 kN | m: 2.77 kg
KH715341-H715311d: 66.675 mm | D: 136.525 mm | T: 46.038 mm | Cr: 230 kN | C0r: 370 kN | m: 3.42 kg
K47490-47420d: 71.438 mm | D: 120 mm | T: 32.545 mm | Cr: 152 kN | C0r: 224 kN | m: 1.61 kg
K33287-33462d: 73.025 mm | D: 117.475 mm | T: 30.162 mm | Cr: 124 kN | C0r: 189 kN | m: 1.21 kg
AK47686-47620d: 82.55 mm | D: 133.35 mm | T: 33.338 mm | Cr: 153 kN | C0r: 235 kN | m: 1.94 kg
K580-572d: 82.55 mm | D: 139.992 mm | T: 36.512 mm | Cr: 177 kN | C0r: 265 kN | m: 2.21 kg
K663-653d: 82.55 mm | D: 146.05 mm | T: 41.275 mm | Cr: 211 kN | C0r: 305 kN | m: 2.71 kg
K498-492-Ad: 84.138 mm | D: 133.35 mm | T: 30.163 mm | Cr: 134 kN | C0r: 200 kN | m: 1.69 kg
K497-492-Ad: 85.725 mm | D: 133.35 mm | T: 30.162 mm | Cr: 134 kN | C0r: 200 kN | m: 1.63 kg
KHM218248-HM218210d: 89.975 mm | D: 146.975 mm | T: 40 mm | Cr: 233 kN | C0r: 355 kN | m: 2.57 kg
K598-A-593-Xd: 92.075 mm | D: 150 mm | T: 35.992 mm | Cr: 182 kN | C0r: 285 kN | m: 2.37 kg
K594-592-Ad: 95.25 mm | D: 152.4 mm | T: 39.688 mm | Cr: 182 kN | C0r: 285 kN | m: 2.55 kg
K594-A-592-Ad: 95.25 mm | D: 152.4 mm | T: 39.688 mm | Cr: 182 kN | C0r: 285 kN | m: 2.75 kg
K683-672d: 95.25 mm | D: 168.275 mm | T: 41.275 mm | Cr: 226 kN | C0r: 350 kN | m: 4.03 kg
K42381-42584d: 96.838 mm | D: 148.43 mm | T: 28.575 mm | Cr: 139 kN | C0r: 216 kN | m: 1.92 kg
K90381-90744d: 96.838 mm | D: 188.912 mm | T: 50.8 mm | Cr: 270 kN | C0r: 340 kN | m: 5.69 kg
KJM720249-JM720210d: 100 mm | D: 155 mm | T: 36 mm | Cr: 187 kN | C0r: 305 kN | m: 2.38 kg
KJM822049-JM822010d: 110 mm | D: 165 mm | T: 35 mm | Cr: 188 kN | C0r: 305 kN | m: 2.51 kg
KJHM522649-JHM522610d: 110 mm | D: 180 mm | T: 47 mm | Cr: 320 kN | C0r: 510 kN | m: 4.7 kg
K64450-64700d: 114.3 mm | D: 177.8 mm | T: 41.275 mm | Cr: 241 kN | C0r: 395 kN | m: 3.55 kg
KHH231649-HH231615d: 139.7 mm | D: 295.275 mm | T: 82.55 mm | Cr: 830 kN | C0r: 1120 kN | m: 24.1 kg
K107060-107105d: 152.4 mm | D: 268.288 mm | T: 74.612 mm | Cr: 670 kN | C0r: 1070 kN | m: 16.7 kg
K36990-36920d: 177.8 mm | D: 227.012 mm | T: 30.162 mm | Cr: 187 kN | C0r: 395 kN | m: 3.18 kg
KLL352149-LL352110d: 279.4 mm | D: 317.5 mm | T: 24.384 mm | Cr: 162 kN | C0r: 440 kN | m: 2.6 kg
KLL481448-LL481411d: 673.1 mm | D: 793.75 mm | T: 66.675 mm | Cr: 1170 kN | C0r: 3300 kN | m: 52.7 kg

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