NTN BEARING CORPORATION OF AMERICA
NTN BEARING CORPORATION OF AMERICA
Head Office
1600 E. Bishop Court, P.O. Box 7604
Mount Prospect, IL 60056-7604, U.S.A.
Phone: 847-298-7500
Fax: 847-699-9744
Toll Free: 800-323-2358
Email: mkt@ntnamerica.com
Website: www.ntnamericas.com
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Thrust Roller and Cage Assemblies
Thrust Roller and Cage Assemblies - Dimensions
Unit of Measure
1 2 3 4 

Item #

Dc1

Dc

Dw (0/-0.010)

Ea

Eb

Dynamic Load Rating

Static Load Rating

K81122T2 N/A 4.3307 in110.000 mm N/A 5.7087 in145.000 mm N/A 0.4331 in11.000 mm N/A 5.4646 in138.800 mm N/A 4.5276 in115.000 mm N/A 37000 lbf165000 N N/A 136000 lbf605000 N
K81124T2 N/A 4.7244 in120.000 mm N/A 6.1024 in155.000 mm N/A 0.4331 in11.000 mm N/A 5.8583 in148.800 mm N/A 4.9213 in125.000 mm N/A 38500 lbf172000 N N/A 147000 lbf655000 N
K81126 N/A 5.1181 in130.000 mm N/A 6.6929 in170.000 mm N/A 0.4724 in12.000 mm N/A 6.3937 in162.400 mm N/A 5.4213 in137.700 mm N/A 44500 lbf197000 N N/A 170000 lbf755000 N
K81128 N/A 5.5118 in140.000 mm N/A 7.0866 in180.000 mm N/A 0.4724 in12.000 mm N/A 6.7913 in172.500 mm N/A 5.8189 in147.800 mm N/A 46500 lbf206000 N N/A 183000 lbf815000 N
K81130 N/A 5.9055 in150.000 mm N/A 7.4803 in190.000 mm N/A 0.4724 in12.000 mm N/A 7.1811 in182.400 mm N/A 6.2087 in157.700 mm N/A 48000 lbf214000 N N/A 196000 lbf870000 N
K81132 N/A 6.2992 in160.000 mm N/A 7.8740 in200.000 mm N/A 0.4724 in12.000 mm N/A 7.5787 in192.500 mm N/A 6.6063 in167.800 mm N/A 49500 lbf221000 N N/A 209000 lbf930000 N
K81206T2 N/A 1.1811 in30.000 mm N/A 2.0472 in52.000 mm N/A 0.2953 in7.500 mm N/A 1.9291 in49.000 mm N/A 1.2913 in32.800 mm N/A 11900 lbf53000 N N/A 29000 lbf129000 N
K81207T2 N/A 1.3780 in35.000 mm N/A 2.4409 in62.000 mm N/A 0.2953 in7.500 mm N/A 2.2047 in56.000 mm N/A 1.5669 in39.800 mm N/A 12300 lbf54500 N N/A 31500 lbf139000 N
K81208T2 N/A 1.5748 in40.000 mm N/A 2.6772 in68.000 mm N/A 0.3543 in9.000 mm N/A 2.4764 in62.900 mm N/A 1.7205 in43.700 mm N/A 16700 lbf74500 N N/A 42500 lbf190000 N
K81209T2 N/A 1.7717 in45.000 mm N/A 2.8740 in73.000 mm N/A 0.3543 in9.000 mm N/A 2.6772 in68.000 mm N/A 1.9213 in48.800 mm N/A 18400 lbf82000 N N/A 50000 lbf222000 N
K81210T2 N/A 1.9685 in50.000 mm N/A 3.0709 in78.000 mm N/A 0.3543 in9.000 mm N/A 2.8780 in73.100 mm N/A 2.1142 in53.700 mm N/A 19100 lbf85000 N N/A 53500 lbf238000 N
K81211T2 N/A 2.1654 in55.000 mm N/A 3.5433 in90.000 mm N/A 0.4331 in11.000 mm N/A 3.2835 in83.400 mm N/A 2.3661 in60.100 mm N/A 27200 lbf121000 N N/A 76500 lbf340000 N
K81212T2 N/A 2.3622 in60.000 mm N/A 3.7402 in95.000 mm N/A 0.4331 in11.000 mm N/A 3.4803 in88.400 mm N/A 2.5551 in64.900 mm N/A 28300 lbf126000 N N/A 82000 lbf365000 N
K81213T2 N/A 2.5591 in65.000 mm N/A 3.9370 in100.000 mm N/A 0.4331 in11.000 mm N/A 3.6732 in93.300 mm N/A 2.7520 in69.900 mm N/A 29200 lbf130000 N N/A 86500 lbf385000 N
K81214T2 N/A 2.7559 in70.000 mm N/A 4.1339 in105.000 mm N/A 0.4331 in11.000 mm N/A 3.8740 in98.400 mm N/A 2.9528 in75.000 mm N/A 30000 lbf134000 N N/A 92000 lbf410000 N
K81215T2 N/A 2.9528 in75.000 mm N/A 4.3307 in110.000 mm N/A 0.4331 in11.000 mm N/A 4.0827 in103.700 mm N/A 3.1535 in80.100 mm N/A 31000 lbf138000 N N/A 98000 lbf435000 N
K81216T2 N/A 3.1496 in80.000 mm N/A 4.5276 in115.000 mm N/A 0.4331 in11.000 mm N/A 4.2677 in108.400 mm N/A 3.3386 in84.800 mm N/A 32000 lbf143000 N N/A 103000 lbf460000 N
K81217 N/A 3.3465 in85.000 mm N/A 4.9213 in125.000 mm N/A 0.4724 in12.000 mm N/A 4.6024 in116.900 mm N/A 3.6299 in92.200 mm N/A 38000 lbf169000 N N/A 124000 lbf550000 N
K81218 N/A 3.5433 in90.000 mm N/A 5.3150 in135.000 mm N/A 0.5512 in14.000 mm N/A 4.9882 in126.700 mm N/A 3.8543 in97.900 mm N/A 48000 lbf213000 N N/A 153000 lbf680000 N
K81220 N/A 3.9370 in100.000 mm N/A 5.9055 in150.000 mm N/A 0.5906 in15.000 mm N/A 5.5118 in140.000 mm N/A 4.2992 in109.200 mm N/A 54500 lbf243000 N N/A 179000 lbf795000 N
K81222 N/A 4.3307 in110.000 mm N/A 6.2992 in160.000 mm N/A 0.5906 in15.000 mm N/A 5.9055 in150.000 mm N/A 4.6929 in119.200 mm N/A 58000 lbf258000 N N/A 199000 lbf885000 N
K81224 N/A 4.7244 in120.000 mm N/A 6.6929 in170.000 mm N/A 0.5906 in15.000 mm N/A 6.2992 in160.000 mm N/A 5.0866 in129.200 mm N/A 59500 lbf264000 N N/A 209000 lbf930000 N
K81226 N/A 5.1181 in130.000 mm N/A 7.4803 in190.000 mm N/A 0.7480 in19.000 mm N/A 7.0472 in179.000 mm N/A 5.5157 in140.100 mm N/A 81000 lbf360000 N N/A 272000 lbf1210000 N
K81228 N/A 5.5118 in140.000 mm N/A 7.8740 in200.000 mm N/A 0.7480 in19.000 mm N/A 7.4409 in189.000 mm N/A 5.9094 in150.100 mm N/A 83000 lbf370000 N N/A 288000 lbf1280000 N
K87408 N/A 1.5748 in40.000 mm N/A 3.5433 in90.000 mm N/A 0.2559 in6.500 mm N/A 3.4252 in87.000 mm N/A 1.8110 in46.000 mm N/A 25000 lbf111000 N N/A 98000 lbf435000 N
Unit of Measure
1 2 3 4