KOYO - Thrust needle roller bearings Inch series, separate type


Product number	Dc1	Dc	Dw	Eb	Ea	Basic load ratings Ca	Basic load ratings C0a	Fatigue load limit : Cu	Limiting speeds	Washer designation	Washer dimensions : d	Washer dimensions : d1	Washer dimensions : h(max.)	Washer dimensions : h(min.)	Piloting dimensions : S(max.)	Piloting dimensions : S(min.)	Dia. to clear O.D. : H	(Refer.)Washer mass	(Refer.)Mass
NTA-411	6.35 mm	17.45 mm	1.984 mm	8.636 mm	14.732 mm	5.12 kN	10.76 kN	1.05 kN	26000 min-1	TRA-411	6.35 mm	17.45 mm	0.81 mm	0.76 mm	6.35 mm	6.27 mm	18.26 mm	0.001 kg	0.001 kg
NTA-512	7.92 mm	19.05 mm	1.984 mm	10.16 mm	16.256 mm	5.83 kN	13.17 kN	1.30 kN	24000 min-1	TRA-512	7.92 mm	19.05 mm	0.81 mm	0.76 mm	7.92 mm	7.85 mm	19.84 mm	0.001 kg	0.002 kg
NTA-613	9.53 mm	20.625 mm	1.984 mm	11.68 mm	18.034 mm	6.05 kN	14.32 kN	1.40 kN	22000 min-1	TRA-613	9.53 mm	20.62 mm	0.81 mm	0.76 mm	9.53 mm	9.45 mm	21.44 mm	0.001 kg	0.002 kg
NTA-815	12.70 mm	23.80 mm	1.984 mm	14.99 mm	21.08 mm	7.16 kN	19.13 kN	1.85 kN	19000 min-1	TRA-815	12.70 mm	23.80 mm	0.81 mm	0.76 mm	12.70 mm	12.62 mm	24.61 mm	0.002 kg	0.002 kg
NTA-916	14.275 mm	25.40 mm	1.984 mm	16.51 mm	22.606 mm	7.70 kN	21.53 kN	2.10 kN	18000 min-1	TRA-916	14.27 mm	25.40 mm	0.81 mm	0.76 mm	14.27 mm	14.20 mm	26.19 mm	0.002 kg	0.003 kg
NTA-1018	15.88 mm	28.575 mm	1.984 mm	18.03 mm	25.908 mm	9.79 kN	30.38 kN	2.85 kN	15000 min-1	TRA-1018	15.88 mm	28.58 mm	0.81 mm	0.76 mm	15.88 mm	15.80 mm	29.36 mm	0.003 kg	0.003 kg
NTA-1220	19.05 mm	31.75 mm	1.984 mm	21.34 mm	28.956 mm	10.90 kN	36.48 kN	3.40 kN	14000 min-1	TRA-1220	19.05 mm	31.75 mm	0.81 mm	0.76 mm	19.05 mm	18.97 mm	32.54 mm	0.003 kg	0.004 kg
NTA-1423	22.23 mm	36.50 mm	1.984 mm	24.38 mm	33.782 mm	13.43 kN	49.82 kN	4.65 kN	12000 min-1	TRA-1423	22.23 mm	36.50 mm	0.81 mm	0.76 mm	22.23 mm	22.15 mm	37.31 mm	0.004 kg	0.005 kg
NTC-1427	22.23 mm	42.85 mm	1.984 mm	25.91 mm	39.878 mm	18.46 kN	78.29 kN	8.05 kN	9800 min-1	TRB-1427	22.23 mm	42.86 mm	1.60 mm	1.52 mm	22.23 mm	22.15 mm	43.66 mm	0.013 kg	0.008 kg
NTA-1625	25.40 mm	39.675 mm	1.984 mm	27.69 mm	36.83 mm	13.83 kN	53.82 kN	5.00 kN	11000 min-1	TRA-1625	25.40 mm	39.67 mm	0.81 mm	0.76 mm	25.40 mm	25.32 mm	40.49 mm	0.005 kg	0.006 kg
NTA-1828	28.58 mm	44.45 mm	1.984 mm	30.73 mm	41.656 mm	16.68 kN	71.17 kN	7.30 kN	9600 min-1	TRA-1828	28.58 mm	44.45 mm	0.81 mm	0.76 mm	28.58 mm	28.50 mm	45.24 mm	0.006 kg	0.009 kg
NTA-2031	31.75 mm	49.20 mm	1.984 mm	34.04 mm	46.228 mm	20.15 kN	93.41 kN	9.55 kN	8600 min-1	TRA-2031	31.75 mm	49.20 mm	0.81 mm	0.76 mm	31.75 mm	31.67 mm	50.01 mm	0.007 kg	0.010 kg
NTA-2233	34.93 mm	52.375 mm	1.984 mm	37.08 mm	49.53 mm	21.35 kN	103.20 kN	10.5 kN	8000 min-1	TRA-2233	34.93 mm	52.37 mm	0.81 mm	0.76 mm	34.93 mm	34.85 mm	53.19 mm	0.007 kg	0.010 kg
NTA-2435	38.10 mm	55.55 mm	1.984 mm	40.39 mm	52.578 mm	23.22 kN	117.88 kN	12.0 kN	7600 min-1	TRA-2435	38.10 mm	55.55 mm	0.81 mm	0.76 mm	38.10 mm	38.02 mm	56.36 mm	0.008 kg	0.011 kg
NTA-2840	44.45 mm	63.50 mm	1.984 mm	46.74 mm	58.928 mm	25.31 kN	137.45 kN	14.0 kN	6800 min-1	TRA-2840	44.45 mm	63.50 mm	0.81 mm	0.76 mm	44.45 mm	44.37 mm	64.29 mm	0.010 kg	0.014 kg
NTA-3244	50.80 mm	69.85 mm	1.984 mm	53.09 mm	65.278 mm	24.02 kN	132.56 kN	13.5 kN	6100 min-1	TRA-3244	50.80 mm	69.85 mm	0.81 mm	0.76 mm	50.80 mm	50.72 mm	70.64 mm	0.011 kg	0.015 kg
NTA-3446	53.98 mm	73.025 mm	1.984 mm	56.39 mm	68.58 mm	24.42 kN	137.45 kN	14.0 kN	5800 min-1	TRA-3446	53.98 mm	73.03 mm	0.81 mm	0.76 mm	53.98 mm	53.90 mm	73.81 mm	0.012 kg	0.016 kg
NTA-3648	57.15 mm	76.20 mm	1.984 mm	59.44 mm	71.628 mm	24.78 kN	142.34 kN	14.6 kN	5600 min-1	TRA-3648	57.15 mm	76.20 mm	0.81 mm	0.76 mm	57.15 mm	57.07 mm	76.99 mm	0.012 kg	0.017 kg
NTA-3650	57.15 mm	79.375 mm	3.175 mm	59.94 mm	75.184 mm	37.68 kN	177.04 kN	18.6 kN	5300 min-1		mm	mm	mm	mm	57.15 mm	57.07 mm	76.99 mm	kg	0.029 kg
NTA-4052	63.50 mm	82.55 mm	1.984 mm	65.79 mm	77.978 mm	25.53 kN	152.13 kN	15.6 kN	5100 min-1	TRA-4052	63.50 mm	82.55 mm	0.81 mm	0.76 mm	63.50 mm	63.42 mm	83.34 mm	0.013 kg	0.019 kg
NTA-4458	69.85 mm	92.075 mm	3.175 mm	72.64 mm	87.884 mm	47.60 kN	255.8 kN	26.8 kN	4600 min-1	TRA-4458	69.85 mm	92.08 mm	0.81 mm	0.76 mm	69.85 mm	69.77 mm	92.86 mm	0.018 kg	0.037 kg
NTA-4860	76.20 mm	95.25 mm	1.984 mm	78.49 mm	90.678 mm	26.96 kN	172.1 kN	17.6 kN	4400 min-1	TRA-4860	76.20 mm	95.25 mm	0.81 mm	0.76 mm	76.20 mm	76.12 mm	96.04 mm	0.015 kg	0.022 kg
NTA-5266	82.55 mm	104.78 mm	3.175 mm	85.34 mm	100.58 mm	51.60 kN	294.9 kN	30.9 kN	4000 min-1	TRA-5266	82.55 mm	104.78 mm	0.81 mm	0.76 mm	82.55 mm	82.47 mm	105.56 mm	0.020 kg	0.042 kg
NTA-6074	95.25 mm	117.48 mm	3.175 mm	98.04 mm	113.28 mm	56.05 kN	344.3 kN	35.5 kN	3500 min-1	TRA-6074	95.25 mm	117.48 mm	0.81 mm	0.76 mm	95.25 mm	95.17 mm	118.26 mm	0.023 kg	0.050 kg
NTA-6681	104.78 mm	128.57 mm	3.175 mm	107.44 mm	124.46 mm	63.61 kN	414.6 kN	41.3 kN	3200 min-1	TRA-6681	104.78 mm	128.57 mm	0.81 mm	0.76 mm	104.78 mm	104.70 mm	129.39 mm	0.027 kg	0.062 kg