NA，滚针轴承系列

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滚针轴承

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滚针轴承

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滚针轴承

滚针轴承是一种带有圆柱滚子的滚子轴承。与它的直径相比，辊子又细又长。这种辊称为滚针。尽管截面较小，但轴承仍具有较高的承载能力。滚针轴承配有细而长的滚子 (滚子直径D ≤ 5毫米，L/D ≥ 2.5，L为滚子长度)，因此径向结构紧凑。当其内径尺寸和承载能力与其他类型的轴承相同时，外径最小，特别适用于径向安装尺寸有限的支撑结构。
可以根据不同的应用选择不带内圈的轴承或滚针和保持架组件。此时，与轴承配合的轴颈表面和壳体孔表面直接用作轴承的内外滚动表面。为了保证与带套圈轴承具有相同的承载能力和运行性能，轴或外壳孔的滚道表面的硬度、加工精度和表面质量应与轴承套圈的滚道相似。这种轴承只能承受径向载荷。

轴承编号	尺寸 (mm)
NA4822	110 × 140 × 30
NA4822A	110 × 140 × 30
NA4824	120 × 150 × 30
NA4824A	120 × 150 × 30
NA4826A	130 × 165 × 35
NA4826	130 × 165 × 35
NA4828A	140 × 175 × 35
NA4828	140 × 175 × 35
NA4832A	160 × 200 × 40
KA4832A	170 × 215 × 45
NA4836A	180 × 225 × 45
NA4844A	220 × 270 × 50
NA4844A/YA4	220 × 270 × 50
NA4852A	260 × 320 × 60
NA4856A	280 × 350 × 69
NA4900A	10 × 22 × 13
NA4900A/YA	10 × 22 × 13
NA4900	10 × 22 × 13
NA4901A	12 × 24 × 13
NA4901	12 × 24 × 13
NA4902A	15 × 28 × 13
NA4902	15 × 28 × 13
NA4903A	17 × 30 × 13
NA4903	17 × 30 × 13
NA4903AS2	17 × 30 × 13
NA4904A	20 × 37 × 17
NA4904A/YA2	20 × 37 × 17
NA4904	20 × 37 × 17
NA49/22	22 × 39 × 17
NA4905A	25 × 42 × 17
NA4505	25 × 42 × 17
NA49/28	28 × 45 × 17
NA4906A	30 × 47 × 17
NA4906	30 × 47 × 17
NA49/32	32 × 52 × 20
NA4907A	35 × 55 × 20
NA4907	35 × 55 × 20
NA4908A	40 × 62 × 22
NA4908	40 × 62 × 22
NA4909A	45 × 68 × 22
NA44909	45 × 68 × 22
NA4910A	50 × 72 × 22
NA4910	50 × 72 × 22
NA4911A	55 × 80 × 25
NA4911	55 × 80 × 25
NA4912A	60 × 85 × 25
NA4912	60 × 85 × 25
NA4913A	65 × 90 × 25
NA4913	65 × 90 × 25
NA4914A	70 × 100 × 30
NA4914	70 × 100 × 30
NA4915A	75 × 105 × 30
NA4915	75 × 105 × 30
NA4916A	80 × 110 × 30
NA4916	80 × 110 × 30
NA4917A	85 × 120 × 35
NA4917	85 × 120 × 35
NA4918A	90 × 125 × 35
NA4918A/C9	90 × 125 × 35
NA4918	90 × 125 × 35
NA4919A	95 × 130 × 35
NA4919	95 × 130 × 35
NA4920A	100 × 140 × 40
NA4920	100 × 140 × 40
NA4920A/C9	100 × 140 × 40
NA4922A	110 × 50 × 40
NA4922	110 × 50 × 40
NA4924A	120 × 165 × 45
NA4924/YA	120 × 165 × 45
NA4924A/C3	120 × 165 × 45
NA4924A/C9	120 × 165 × 45
NA4924	120 × 165 × 45
NA4926A	130 × 180 × 50
NA4926	130 × 180 × 50
NA4928A	140 × 190 × 50
NA4928	140 × 190 × 50
NA5903	17 × 30 × 18
NA5917	85 × 120 × 46
NA698A	8 × 19 × 11
NA6900A	10 × 22 × 22
NA6901A	12 × 24 × 22
NA6901	12 × 24 × 22
NA6902A	15 × 28 × 23
NA6902	15 × 28 × 23
NA6903A	17 × 30 × 23
NA6903	17 × 30 × 23
NA6904A	20 × 37 × 30
NA6904	20 × 37 × 30
NA69/22	22 × 39 × 30
NA6905A	25 × 42 × 30
NA6905	25 × 42 × 30
NA69/28	22 × 39 × 30
NA6906A	30 × 47 × 30
NA6906A/C9	30 × 47 × 30
NA6906	30 × 47 × 30
NA4005	25 × 47 × 22
NA4006	30 × 55 × 25
NA4007	35 × 62 × 27
NA4008	40 × 68 × 28
NA4009	45 × 75 × 30
NA4010	50 × 80 × 30
NA4011	55 × 90 × 35
NA4012	60 × 95 × 35
NA4013	65 × 100 × 35
NA4014	70 × 110 × 40
NA4015	75 × 115 × 40
NA4016	80 × 125 × 45
NA4017	85 × 130 × 45
NA5009
NA4120	100 × 165 × 65
NA5807X3	35 × 40 × 50
NA5808X3	40 × 45 × 55
NA6804X2	20 × 32 × 20.5
NA6805X2	25 × 37 × 20.5
NA6806X2	30 × 42 × 20.5
NA6807X2	35 × 47 × 20.5
NA6808X1	40 × 55 × 30
NA6808X2	40 × 52 × 20.5
NA6810X3	50 × 58 × 25.5
NA4900X2	10 × 22 × 12.5
NA4908X1A	40 × 65 × 22
NA4911X1A	55 × 85 × 25
NA4911X2	55 × 72 × 35
NA4916X2	80 × 110 × 35
NA59/22X3A	22 × 40 × 25
NA5911X3	55 × 78 × 30
NA4209X3A	30 × 70 × 18.5
NA4207X3	35 × 58 × 22
NA6/13	13 × 32 × 20
NA6/17.47	17.47 × 28.5 × 12.5
NA6/44.5	44.5 × 58.7 × 19
NA6/50.8	50.8 × 65 × 22.2
NA6/22.5/C2	22.225 × 40 × 25.4
NA6/245	245 × 280 × 36
NA6/245A	245 × 280 × 36
NA4901WB-2LS	12 × 24 × 13/14
NA6/92WB-2LS	92 × 117 × 20
NKI10/16	10 × 22 × 16
NKI10/20	10 × 22 × 20
NKI12/16	12 × 24 × 16
NKI12/20	12 × 24 × 20
NKI15/16	15 × 27 × 16
NKI15/20	15 × 27 × 20
NKI17/16	17 × 29 × 16
NKI17/20	17 × 29 × 20
NKI20/16	20 × 32 × 16
NKI20/20	20 × 32 × 20
NKI203316	20 × 33 × 16
NKI22/16	22 × 34 × 16
NKI22/20	22 × 34 × 20
NKI25/20	25 × 38 × 20
NKI25/30	25 × 38 × 30
NKI28/20	28 × 42 × 20
NKI28/30	28 × 42 × 30
NKI14287	28.575 × 47.625 × 32
NKI30/20	30 × 45 × 20
NKI30/30	30 × 45 × 30
NKI32/20	32 × 47 × 20
NKI32/30	32 × 47 × 30
NKI35/20	35 × 50 × 20
NKI35/30	35 × 50 × 30
NKI38/20	38 × 53 × 20
NKI38/30	38 × 53 × 3
NKI40/20	40 × 55 × 20
NKI40/30	40 × 55 × 30
NKI42/20	42 × 57 × 20
NKI42/30	42 × 57 × 30
NKI45/20	45 × 62 × 25
NKI45/35	45 × 62 × 35
NKI45/35/C3	45 × 62 × 35
NKI50/25	50 × 68 × 25
NKI50/35	50 × 68 × 35
NKI55/25	55 × 72 × 25
NKI55/35	55 × 72 × 35
NKI60/25	60 × 82 × 25
NKI60/35	60 × 82 × 35
NKI65/25	65 × 90 × 25
NKI65/35	65 × 90 × 35
NKI70/25	70 × 95 × 25
NKI70/35	70 × 95 × 35
NKI75/25	75 × 105 × 25
NKI75/35	75 × 105 × 35
NKI80/25	80 × 110 × 25
NKI80/35	80 × 110 × 35
NKI85/26	85 × 115 × 26
NKI85/36	85 × 115 × 36
NKI90/26	90 × 120 × 26
NKI90/36	90 × 120 × 36
NKI95/26	95 × 125 × 26
NKI95/36	95 × 125 × 36
NKI100/30	100 × 130 × 30
NKI100/40	100 × 130 × 40
NANFLV674	370 × 480 × 66
NKIS35	35 × 58 × 22
NKS40	40 × 55 × 22
NK17/20	17 × 25 × 20
NK18/16	18 × 26 × 16
NA6907A	35 × 55 × 36
NA6908A	40 × 62 × 40
NA6909A	45 × 68 × 40
NA6910A	50 × 72 × 40
NA6911A	55 × 80 × 45
NA6911A/YA	55 × 80 × 45
NA6912A	60 × 85 × 45
NA6912A/YA	60 × 85 × 45
NA6913A	65 × 90 × 45
NA6914A	70 × 100 × 54
NA6915A	75 × 105 × 54
NA6916A	80 × 110 × 54
NA6917A	85 × 120 × 63
NA6918A	90 × 125 × 63
NA6919A	95 × 130 × 63
NA6919A/C3	95 × 130 × 63
NA6920A	100 × 140 × 71
NA6920A/C3	100 × 140 × 71
NA5003X1A	17 × 34 × 24
NA5004A	20 × 42 × 30
NA6005X2A	25 × 47 × 36
NA6006X3A	30 × 56 × 42
NA6008X1A	40 × 65 × 50
NA6009X1A	45 × 72 × 40
NA69/32	32 × 52 × 36
NA6907	35 × 55 × 36
NA6908	40 × 62 × 40
NA6909	45 × 72 × 40
NA6910	50 × 72 × 40
NA6911	55 × 80 × 45
NA6912	60 × 80 × 45
NA6913	65 × 90 × 45
NA6914	70 × 100 × 54
NA6915	75 × 105 × 54
NA6916	80 × 110 × 54
NA6917	85 × 120 × 63
NA6918	90 × 125 × 63
NA6919	95 × 130 × 63
NA6920	100 × 140 × 71
NA6/101米	101.6 × 171.45 × 133.35
NA6035X3M	175 × 260 × 195
NA6/177.8Q1	177.8 × 224.475 × 161.925
NA6/177米	177.8 × 244.475 × 161.925
NA6/177.8X3M	177.8 × 257.175 × 196.85
NA6936X3M	180 × 260 × 215
NA6/180	180 × 280 × 215
NA6/180X2M	180 × 280 × 215
NA6/195米	195 × 290 × 190
NA6/206.375米/C4W26	206.375 × 285.75 × 222.25
NA6/206.375M/W26	206.375 × 285.75 × 222.25
NA6/206.375Q1	206.375 × 285.75 × 222.35
NA6/206.375M1/C4	206.375 × 285.75 × 222.35
NA6/206.375米	206.375 × 285.75 × 222.35
NA6008X3APR	40 × 72 × 46