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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Single Direction Thrust Ball Bearings
Single Direction Thrust Ball Bearings - Dimensions
Unit of Measure
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Item #

d

D

T

r

Static Load Rating

Dynamic Load Rating

51232 N/A 6.2992 in160.000 mm N/A 8.8583 in225.000 mm N/A 2.0079 in51.000 mm N/A 0.0591 in1.500 mm N/A 162000 lbf720000 N720.00 kN N/A 50000 lbf223000 N223.00 kN
51232C3 N/A 6.2992 in160.000 mm N/A 8.8583 in225.000 mm N/A 2.0079 in51.000 mm N/A 0.0591 in1.500 mm N/A 162000 lbf720000 N720.00 kN N/A 50000 lbf223000 N223.00 kN
51234 N/A 6.6929 in170.000 mm N/A 9.4488 in240.000 mm N/A 2.1654 in55.000 mm N/A 0.0591 in1.500 mm N/A 188000 lbf835000 N835.00 kN N/A 58500 lbf261000 N261.00 kN
51234C3 N/A 6.6929 in170.000 mm N/A 9.4488 in240.000 mm N/A 2.1654 in55.000 mm N/A 0.0591 in1.500 mm N/A 188000 lbf835000 N835.00 kN N/A 58500 lbf261000 N261.00 kN
51236 N/A 7.0866 in180.000 mm N/A 9.8425 in250.000 mm N/A 2.2047 in56.000 mm N/A 0.0591 in1.500 mm N/A 197000 lbf875000 N875.00 kN N/A 60000 lbf266000 N266.00 kN
51236C3 N/A 7.0866 in180.000 mm N/A 9.8425 in250.000 mm N/A 2.2047 in56.000 mm N/A 0.0591 in1.500 mm N/A 197000 lbf875000 N875.00 kN N/A 60000 lbf266000 N266.00 kN
51238 N/A 7.4803 in190.000 mm N/A 10.6299 in270.000 mm N/A 2.4409 in62.000 mm N/A 0.0787 in2.000 mm N/A 238000 lbf1060000 N1060.00 kN N/A 69500 lbf310000 N310.00 kN
51238C3 N/A 7.4803 in190.000 mm N/A 10.6299 in270.000 mm N/A 2.4409 in62.000 mm N/A 0.0787 in2.000 mm N/A 238000 lbf1060000 N1060.00 kN N/A 69500 lbf310000 N310.00 kN
51240 N/A 7.8740 in200.000 mm N/A 11.0236 in280.000 mm N/A 2.4409 in62.000 mm N/A 0.0787 in2.000 mm N/A 250000 lbf1110000 N1110.00 kN N/A 71000 lbf315000 N315.00 kN
51240C3 N/A 7.8740 in200.000 mm N/A 11.0236 in280.000 mm N/A 2.4409 in62.000 mm N/A 0.0787 in2.000 mm N/A 250000 lbf1110000 N1110.00 kN N/A 71000 lbf315000 N315.00 kN
51244 N/A 8.6614 in220.000 mm N/A 11.8110 in300.000 mm N/A 2.4803 in63.000 mm N/A 0.0787 in2.000 mm N/A 272000 lbf1210000 N1210.00 kN N/A 73000 lbf325000 N325.00 kN
51244C3 N/A 8.6614 in220.000 mm N/A 11.8110 in300.000 mm N/A 2.4803 in63.000 mm N/A 0.0787 in2.000 mm N/A 272000 lbf1210000 N1210.00 kN N/A 73000 lbf325000 N325.00 kN
51248 N/A 9.4488 in240.000 mm N/A 13.3858 in340.000 mm N/A 3.0709 in78.000 mm N/A 0.0827 in2.100 mm N/A 370000 lbf1650000 N1650.00 kN N/A 93500 lbf415000 N415.00 kN
51248C3 N/A 9.4488 in240.000 mm N/A 13.3858 in340.000 mm N/A 3.0709 in78.000 mm N/A 0.0827 in2.100 mm N/A 370000 lbf1650000 N1650.00 kN N/A 93500 lbf415000 N415.00 kN
51252 N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.1102 in79.000 mm N/A 0.0827 in2.100 mm N/A 405000 lbf1810000 N1810.00 kN N/A 99000 lbf440000 N440.00 kN
51252C3 N/A 10.2362 in260.000 mm N/A 14.1732 in360.000 mm N/A 3.1102 in79.000 mm N/A 0.0827 in2.100 mm N/A 405000 lbf1810000 N1810.00 kN N/A 99000 lbf440000 N440.00 kN
51256 N/A 11.0236 in280.000 mm N/A 14.9606 in380.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 445000 lbf1970000 N1970.00 kN N/A 103000 lbf460000 N460.00 kN
51256C3 N/A 11.0236 in280.000 mm N/A 14.9606 in380.000 mm N/A 3.1496 in80.000 mm N/A 0.0827 in2.100 mm N/A 445000 lbf1970000 N1970.00 kN N/A 103000 lbf460000 N460.00 kN
51260 N/A 11.8110 in300.000 mm N/A 16.5354 in420.000 mm N/A 3.7402 in95.000 mm N/A 0.1181 in3.000 mm N/A 605000 lbf2680000 N2680.00 kN N/A 133000 lbf590000 N590.00 kN
51260C3 N/A 11.8110 in300.000 mm N/A 16.5354 in420.000 mm N/A 3.7402 in95.000 mm N/A 0.1181 in3.000 mm N/A 605000 lbf2680000 N2680.00 kN N/A 133000 lbf590000 N590.00 kN
51268 N/A 13.3858 in340.000 mm N/A 18.1102 in460.000 mm N/A 3.7795 in96.000 mm N/A 0.1181 in3.000 mm N/A 656000 lbf2920000 N2920.00 kN N/A 136000 lbf605000 N605.00 kN
51305 N/A 0.9843 in25.000 mm N/A 2.0472 in52.000 mm N/A 0.7087 in18.000 mm N/A 0.0394 in1.000 mm N/A 13800 lbf61500 N61.50 kN N/A 8000 lbf35500 N35.50 kN
51305C3 N/A 0.9843 in25.000 mm N/A 2.0472 in52.000 mm N/A 0.7087 in18.000 mm N/A 0.0394 in1.000 mm N/A 13800 lbf61500 N61.50 kN N/A 8000 lbf35500 N35.50 kN
51306 N/A 1.1811 in30.000 mm N/A 2.3622 in60.000 mm N/A 0.8268 in21.000 mm N/A 0.0394 in1.000 mm N/A 17600 lbf78500 N78.50 kN N/A 9650 lbf43000 N43.00 kN
51306C3 N/A 1.1811 in30.000 mm N/A 2.3622 in60.000 mm N/A 0.8268 in21.000 mm N/A 0.0394 in1.000 mm N/A 17600 lbf78500 N78.50 kN N/A 9650 lbf43000 N43.00 kN
Unit of Measure
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