實(shí)體套圈滾針軸承,也就是狹義的滾針軸承,是由軸承鋼外圈、內(nèi)圈與保持架和滾針組件組成的軸承,是應(yīng)用范圍廣泛的滾針軸承,主要用于汽車、機(jī)床、紡織機(jī)械、印刷機(jī)械等不同類型的機(jī)械設(shè)備上。 滾針軸承能承受較大徑向負(fù)荷。此類軸承有帶內(nèi)圈和不帶內(nèi)圈,組裝G2級滾針,其平均直徑的上下偏差在2um以內(nèi),采用高剛性保持架,能夠正確地引導(dǎo)滾針平行于軸線。
主要結(jié)構(gòu)形式:
軸承代號 | 結(jié)構(gòu)特點(diǎn) |
NK NKS RNA49 RNA48 | 外圈雙擋邊 單列 無內(nèi)圈 |
NKI NKIS NA49 NA48 | 外圈雙擋邊 單列 有內(nèi)圈 |
RNA69 | 外圈雙接邊 雙列 無內(nèi)圈 |
NA69 | 外圈雙接邊 雙列 有內(nèi)圈 |
RNA49..RS RNA49..2RS | 單面密封或雙面密封 |
NA69.. RS NA69..2RS | 單面密封或雙面密封 雙列 |
RNAO | 外圈無擋邊 單列或雙列 無內(nèi)圈 |
NAO | 外圈無擋邊 單列或雙列 有內(nèi)圈 |
RNAV | 外圈雙擋邊 單列 無內(nèi)圈 |
NAV | 外圈雙擋邊 單列 有內(nèi)圈 |
外圈、內(nèi)圈
- 材料:GCr15軸承鋼
- 加工:車制后磨削
- 熱處理:淬火(特殊要求高溫回火)
保持架
- 材料:一般為ST12低碳鋼
- 加工:經(jīng)由沖床沖壓拉伸成型后沖孔
- 熱處理:滲碳;發(fā)黑
滾針
- 材料:GCr15軸承鋼
- 加工:經(jīng)由磨床磨加工
- 熱處理:淬火HRc60-64
主要特點(diǎn):
- 斷面高度小承載能力高、內(nèi)外圈硬度高、剛性大;
- 結(jié)構(gòu)緊湊、多樣;
- 配合靈活,可配可不配內(nèi)圈;
- 尺寸范圍跨度大。
軸徑Shaft Diameter | 軸承型號Bearing Designation
| 重量Mass 近似Approx | 外形尺寸 Borndary Dimensions | 基本額定負(fù)荷 Basic Load Rating | 極限轉(zhuǎn)速 Limiting Speed | ||||
Fw | D | C | E | 動 Cr Dynamic | 靜 Cor Static | 油潤滑 Oil | |||
mm | g | mm | N | rpm | |||||
5 | RNAO 5×10×8 TN | 2.8 | 5 | 10 | 8 | 8 | 2050 | 1720 | 27800 |
6 | RNAO 6×13×8 TN | 5 | 6 | 13 | 8 | 9 | 2300 | 1880 | 30000 |
7 | RNAO 7×14×8 TN | 5 | 7 | 14 | 8 | 10 | 2250 | 1950 | 31000 |
8 | RNAO 8×15×10 TN | 7.8 | 8 | 15 | 10 | 11 | 3050 | 3920 | 28000 |
10 | RNAO 10×17×10 TN | 9.1 | 10 | 17 | 10 | 13 | 3960 | 4500 | 20000 |
12 | RNAO 12×19×13.5 TN | 14 | 12 | 19 | 13.5 | 15 | 5400 | 7500 | 22000 |
RNAO 12×22×12 TN | 17.9 | 12 | 22 | 12 | 18 | 8950 | 8000 | 23000 | |
15 | RNAO 15×23×13 | 18.5 | 15 | 23 | 13 | 19 | 6500 | 8900 | 21100 |
16 | RNAO 16×24×13 | 19.8 | 16 | 24 | 13 | 20 | 6200 | 8400 | 21100 |
*RNAO 16×24×20 | 29.7 | 16 | 24 | 20 | 20 | 10200 | 14800 | 21100 | |
RNAO 16×28×12 | 29.7 | 16 | 28 | 12 | 22 | 9500 | 10500 | 18000 | |
17 | RNAO 17×25×13 | 21 | 17 | 25 | 13 | 21 | 9400 | 11600 | 18000 |
18 | RNAO 18×30×24 | 65 | 18 | 30 | 24 | 24 | 12100 | 16500 | 17600 |
20 | RNAO 20×28×13 | 24.5 | 20 | 28 | 13 | 24 | 7800 | 9600 | 16000 |
*RNAO 20×28×26 | 48.1 | 20 | 28 | 26 | 24 | 10080 | 20500 | 16000 | |
RNAO 20×32×12 | 36.6 | 20 | 32 | 12 | 26 | 10100 | 14100 | 16000 | |
22 | RNAO 22×30×13 | 25.2 | 22 | 30 | 13 | 26 | 9200 | 12000 | 14000 |
RNAO 22×35×16 | 58 | 22 | 35 | 16 | 29 | 10000 | 15500 | 16000 | |
25 | RNAO 25×35×17 | 49 | 25 | 35 | 17 | 29 | 10900 | 22000 | 15020 |
*RNAO 25×35×26 | 67.8 | 25 | 35 | 26 | 29 | 12400 | 25000 | 15020 | |
RNAO 25×37×16 | 59.2 | 25 | 37 | 16 | 32 | 15000 | 20900 | 12000 | |
*RNAO 25×37×32 | 108 | 25 | 37 | 32 | 32 | 25000 | 38900 | 12000 | |
26 | RNAO 26×39×13 | 59 | 26 | 39 | 13 | 30 | 87600 | 10200 | 15020 |
30 | RNAO 30×40×17 | 59 | 30 | 40 | 17 | 35 | 12600 | 24000 | 10050 |
*RNAO 30×40×26 | 92 | 30 | 40 | 26 | 35 | 16000 | 32000 | 10050 | |
RNAO 30×42×16 | 49.9 | 30 | 42 | 16 | 37 | 13000 | 23200 | 10050 | |
*RNAO 30×42×32 | 126 | 30 | 42 | 32 | 37 | 29500 | 47000 | 10050 | |
35 | RNAO 35×45×13 | 50 | 35 | 45 | 13 | 40 | 10200 | 22000 | 10000 |
RNAO 35×45×17 | 60 | 35 | 45 | 17 | 40 | 17800 | 24500 | 10000 | |
*RNAO 35×45×26 | 88 | 35 | 45 | 26 | 40 | 20500 | 40000 | 10000 | |
RNAO 35×47×16 | 75 | 35 | 47 | 16 | 42 | 20400 | 31500 | 10000 | |
RNAO 35×47×18 | 86 | 35 | 47 | 18 | 42 | 22500 | 35000 | 10000 | |
*RNAO 35×47×32 | 149 | 35 | 47 | 32 | 42 | 32000 | 55000 | 10000 | |
37 | RNAO 37×52×18 | 115 | 37 | 52 | 18 | 44 | 18900 | 35500 | 8800 |
40 | RNAO 40×50×17 | 72 | 40 | 50 | 17 | 45 | 15400 | 29880 | 8800 |
*RNAO 40×50×34 | 151 | 40 | 50 | 34 | 45 | 25186 | 57200 | 11000 | |
RNAO 40×55×20 | 144 | 40 | 55 | 20 | 47 | 26300 | 46100 | 10000 | |
*RNAO 40×55×40 | 268 | 40 | 55 | 40 | 48 | 54700 | 87000 | 10000 | |
42 | RNAO 42×57×20 | 132 | 42 | 57 | 20 | 50 | 26720 | 43700 | 10000 |
45 | RNAO 45×55×17 | 82.5 | 45 | 55 | 17 | 50 | 18000 | 36000 | 9000 |
*RNAO 45×62×40 | 368 | 45 | 62 | 40 | 53 | 42200 | 85050 | 9000 | |
50 | RNAO 50×62×20 | 140 | 50 | 62 | 20 | 55 | 20690 | 46860 | 7500 |
RNAO 50×65×20 | 162 | 50 | 65 | 20 | 58 | 23200 | 40540 | 7000 | |
*RNAO 50×65×40 | 321 | 50 | 65 | 40 | 58 | 39040 | 80600 | 7000 | |
55 | RNAO 55×68×20 | 157 | 55 | 68 | 20 | 60 | 22480 | 52074 | 6500 |
60 | RNAO 60×78×20 | 253 | 60 | 78 | 20 | 68 | 28500 | 65300 | 5550 |
RNAO 60×78×40 | 368 | 60 | 78 | 40 | 68 | 45000 | 99000 | 5550 | |
65 | RNAO 65×85×30 | 394 | 65 | 85 | 30 | 73 | 37000 | 90900 | 4900 |
70 | RNAO 70×90×30 | 488 | 70 | 90 | 30 | 78 | 40010 | 105000 | 5100 |
80 | RNAO 80×100×30 | 527 | 80 | 100 | 30 | 88 | 52000 | 139000 | 4890 |
85 | RNAO 85×105×25 | 449 | 85 | 105 | 25 | 93 | 48600 | 106000 | 4900 |
90 | RNAO 90×105×26 | 323 | 90 | 105 | 26 | 98 | 42519 | 129000 | 4900 |
RNAO 90×110×30 | 600 | 90 | 110 | 30 | 98 | 58100 | 152000 | 4900 | |
100 | RNAO 100×120×30 | 671 | 100 | 120 | 30 | 108 | 50000 | 158000 | 3100 |
TN=塑料保持架,允許工作溫度;120°C連續(xù),180°C短期。
TN=Plastic cage,permissible operating temperature;120°C(Continyous operation).
*雙列 脂潤滑極限轉(zhuǎn)速為表列數(shù)值的60%。
*Double row,with lubrccation groove and hole.
軸徑Shaft Diameter | 軸承型號Bearing Designation
| 重量Mass 近似Approx | 外形尺寸 Borndary Dimensions | 基本額定負(fù)荷 Basic Load Rating | 極限轉(zhuǎn)速 Limiting Speed | |||||
d | D | B | F | E | 動 Cr Dynamic | 靜 Cor Static | 油潤滑 Oil | |||
mm | g | mm | N | rpm | ||||||
6 | NAO 6×17×10 TN | 13 | 6 | 17 | 10 | 10 | 13 | 3950 | 5000 | 17080 |
9 | NAO 9×22×12 TN | 22 | 9 | 22 | 12 | 12 | 18 | 8800 | 7900 | 12090 |
12 | NAO 12×24×13 | 29 | 12 | 24 | 13 | 16 | 20 | 8000 | 16000 | 15020 |
NAO 12×24×20 | 43 | 12 | 24 | 20 | 16 | 20 | 10300 | 16800 | 20000 | |
NAO 12×28×12 | 38.6 | 12 | 28 | 12 | 16 | 22 | 9850 | 10500 | 19000 | |
15 | NAO 15×28×13 | 27.8 | 15 | 28 | 13 | 20 | 24 | 7800 | 10300 | 20600 |
NAO 15×32×12 | 48.1 | 15 | 32 | 12 | 20 | 26 | 10400 | 14020 | 20000 | |
17 | NAO 17×30×13 | 39 | 17 | 30 | 13 | 22 | 26 | 9860 | 15000 | 20000 |
NAO 17×35×16 | 70 | 17 | 35 | 16 | 22 | 29 | 16800 | 20050 | 10090 | |
20 | NAO 20×35×17 | 72 | 20 | 35 | 17 | 25 | 29 | 12600 | 20200 | 16000 |
NAO 20×37×16 | 81 | 20 | 37 | 16 | 25 | 32 | 10000 | 18000 | 12700 | |
25 | NAO 25×40×17 | 78.9 | 25 | 40 | 17 | 30 | 35 | 10600 | 24000 | 10500 |
NAO 25×42×16 | 83 | 25 | 42 | 16 | 30 | 37 | 13100 | 23500 | 10500 | |
*NAO 25×42×32 | 189 | 25 | 42 | 32 | 30 | 37 | 26500 | 47000 | 10500 | |
30 | NAO 30×45×13 | 73 | 30 | 45 | 13 | 35 | 40 | 11200 | 25000 | 11207 |
NAO 30×45×17 | 100 | 30 | 45 | 17 | 35 | 40 | 12800 | 28500 | 11207 | |
*NAO 30×45×26 | 150 | 30 | 45 | 26 | 35 | 40 | 17500 | 32900 | 11207 | |
NAO 30×47×16 | 99.8 | 30 | 47 | 16 | 35 | 42 | 14400 | 17500 | 11207 | |
NAO 30×47×18 | 109 | 30 | 47 | 18 | 35 | 42 | 20000 | 33000 | 11207 | |
NAO 35×52×18 | 172 | 30 | 52 | 18 | 37 | 44 | 18000 | 25500 | 10900 | |
35 | NAO 35×50×17 | 103 | 35 | 50 | 17 | 40 | 45 | 20800 | 40506 | 10900 |
NAO 35×55×20 | 175 | 35 | 55 | 20 | 40 | 47 | 28500 | 41000 | 10000 | |
NAO 35×57×20.5 | 206 | 35 | 57 | 20.5 | 42 | 50 | 26000 | 49000 | 10000 | |
40 | NAO 40×55×17 | 118 | 40 | 55 | 17 | 45 | 50 | 12500 | 36000 | 9000 |
NAO 40×65×20 | 269 | 40 | 65 | 20 | 50 | 58 | 35000 | 61200 | 8000 | |
50 | NAO 50×68×20 | 219 | 50 | 68 | 20 | 55 | 60 | 24500 | 62000 | 7500 |
NAO 50×78×20 | 400 | 50 | 78 | 20 | 60 | 68 | 33500 | 65000 | 6500 | |
70 | NAO 70×100×30 | 829 | 70 | 100 | 30 | 80 | 88 | 52600 | 129000 | 4000 |
75 | NAO 75×105×25 | 676 | 75 | 105 | 25 | 85 | 93 | 42000 | 106000 | 3900 |
80 | *NAO 80×110×30 | 892 | 80 | 110 | 30 | 90 | 98 | 49020 | 112000 | 4200 |
90 | NAO 90×120×30 | 1004 | 90 | 120 | 30 | 100 | 108 | 51000 | 128000 | 3900 |
軸徑Shaft Diameter | 軸承型號Bearing Designation
| 重量Mass 近似Approx | 外形尺寸 Borndary Dimensions | 基本額定負(fù)荷 Basic Load Rating | 極限轉(zhuǎn)速 Limiting Speed | ||||||
d | Fw F | D | B C | D1 | S注1 | 動 Cr Dynamic | 靜 Cor Static | 油潤滑 Oil | |||
mm | g | mm | N | rpm | |||||||
無內(nèi)圈 | |||||||||||
15 | RPNA 15/28 | 32 | -- | 15 | 28 | 12 | 24.5 | -- | 4660 | 5700 | 24000 |
18 | RPNA 18/32 | 52 | -- | 18 | 32 | 16 | 27 | -- | 9800 | 14000 | 22000 |
20 | RPNA 20/35 | 62 | -- | 20 | 35 | 16 | 30.5 | -- | 10500 | 15500 | 21000 |
25 | RPNA 25/42 | 109 | -- | 25 | 42 | 20 | 36.5 | -- | 14900 | 27800 | 18000 |
28 | RPNA 28/44 | 112 | -- | 28 | 44 | 20 | 38.5 | -- | 20500 | 31900 | 16000 |
30 | RPNA 30/47 | 125 | -- | 30 | 47 | 20 | 42 | -- | 20980 | 33500 | 15000 |
35 | RPNA 35/52 | 131 | -- | 35 | 52 | 20 | 47.5 | -- | 21500 | 39600 | 13000 |
40 | RPNA 40/55 | 141 | -- | 40 | 55 | 20 | 50.5 | -- | 24000 | 44700 | 11000 |
45 | RPNA 45/62 | 176 | -- | 45 | 62 | 20 | 58 | -- | 24800 | 50900 | 10000 |
帶內(nèi)圈 | |||||||||||
12 | PNA 12/28 | 37 | 12 | 15 | 28 | 12 | 24.5 | 0.5 | 4660 | 5700 | 24000 |
15 | PNA 15/32 | 62 | 15 | 18 | 32 | 16 | 27 | 0.5 | 9800 | 14000 | 22000 |
17 | PNA 17/35 | 73 | 17 | 20 | 35 | 16 | 30.5 | 0.5 | 10500 | 15500 | 21000 |
20 | PNA 20/42 | 136 | 20 | 25 | 42 | 20 | 36.5 | 0.5 | 14900 | 27800 | 18000 |
22 | PNA 22/44 | 145 | 22 | 28 | 44 | 20 | 38.5 | 0.5 | 20500 | 31900 | 16000 |
25 | PNA 25/47 | 157 | 25 | 30 | 47 | 20 | 42 | 0.5 | 20980 | 33500 | 15000 |
30 | PNA 30/52 | 181 | 30 | 35 | 52 | 20 | 47.5 | 0.5 | 21500 | 39600 | 13000 |
35 | PNA 35/55 | 177 | 35 | 40 | 55 | 20 | 50.5 | 0.5 | 24000 | 44700 | 11000 |
40 | PNA 40/62 | 227 | 40 | 45 | 62 | 20 | 58 | 0.5 | 24800 | 50900 | 10000 |
軸徑Shaft Diameter | 軸承型號 Bearing Designation | 重量Mass 近似Approx | 外形尺寸 Borndary Dimensions | 基本額定負(fù)荷 Basic Load Rating | 極限轉(zhuǎn)速 Limiting Speed | ||||
Fw | D | C | 動 Cr Dynamic | 靜 Cor Static | 油潤滑 Oil | ||||
mm | 現(xiàn)行的 Current | 老型號Substituted | g | mm | N | rpm | |||
無內(nèi)圈 | |||||||||
21.87 | RNAV 4002 | 4084102 | 45 | 21.87 | 32 | 17 | 10800 | 29800 | 4500 |
24.3 | RNAV 4003 | 4084103 | 62 | 24.3 | 35 | 18 | 17900 | 37900 | 4300 |
28.7 | RNAV 4004 | 4084104 | 114 | 28.7 | 42 | 22 | 28150 | 60900 | 3900 |
33.5 | RNAV 4005 | 4084105 | 129 | 33.5 | 47 | 22 | 33800 | 70800 | 3700 |
40.1 | RNAV 4006 | 4084106 | 193 | 40.1 | 55 | 25 | 49900 | 96500 | 3500 |
45.9 | RNAV 4007 | 4084107 | 259 | 45.9 | 62 | 27 | 47600 | 122800 | 3100 |
51.6 | RNAV 4008 | 4084108 | 304 | 51.6 | 68 | 28 | 49900 | 137900 | 2700 |
57.4 | RNAV 4009 | 4084109 | 390 | 57.4 | 75 | 30 | 52500 | 153500 | 2600 |
62.1 | RNAV 4010 | 4084110 | 426 | 62.1 | 80 | 30 | 55700 | 166000 | 2500 |
69.8 | RNAV 4011 | 4084111 | 645 | 69.8 | 90 | 35 | 68500 | 225800 | 2300 |
74.6 | RNAV 4012 | 4084112 | 677 | 74.6 | 95 | 35 | 75400 | 239000 | 2100 |
80.3 | RNAV 4013 | 4084113 | 692 | 80.3 | 100 | 35 | 79500 | 256900 | 1900 |
88 | RNAV 4014 | 4084114 | 950 | 88 | 110 | 40 | 98800 | 354900 | 1700 |
92.7 | RNAV 4015 | 4084115 | 1000 | 92.7 | 115 | 45 | 101800 | 372900 | 1600 |
100.3 | RNAV 4016 | 4084116 | 1400 | 100.3 | 125 | 45 | 102900 | 373500 | 1500 |
104.8 | RNAV 4017 | 4084117 | 1540 | 104.8 | 130 | 45 | 103800 | 374800 | 1400 |
帶內(nèi)圈 | |||||||||
15 | RNAV 4002 | 4074102 | 76 | 15 | 32 | 17 | 10800 | 29800 | 4500 |
17 | RNAV 4003 | 4074103 | 94 | 17 | 35 | 18 | 1700 | 37900 | 4300 |
20 | RNAV 4004 | 4074104 | 170 | 20 | 42 | 22 | 28150 | 60900 | 3900 |
25 | RNAV 4005 | 4074105 | 195 | 25 | 47 | 22 | 33800 | 70800 | 3700 |
30 | RNAV 4006 | 4074106 | 299 | 30 | 55 | 25 | 49900 | 96500 | 3500 |
35 | RNAV 4007 | 4074107 | 402 | 35 | 62 | 27 | 47600 | 122800 | 3100 |
40 | RNAV 4008 | 4074108 | 482 | 40 | 68 | 28 | 49900 | 137900 | 2700 |
45 | RNAV 4009 | 4074109 | 617 | 45 | 75 | 30 | 52500 | 153500 | 2600 |
50 | RNAV 4010 | 4074110 | 669 | 50 | 80 | 30 | 55700 | 166000 | 2500 |
55 | RNAV 4011 | 4074111 | 1030 | 55 | 90 | 35 | 68500 | 225800 | 2300 |
60 | RNAV 4012 | 4074112 | 1087 | 60 | 95 | 35 | 75400 | 239000 | 2100 |
65 | RNAV 4013 | 4074113 | 1156 | 65 | 100 | 35 | 79500 | 256900 | 1900 |
70 | RNAV 4014 | 4074114 | 1666 | 70 | 110 | 40 | 98800 | 354900 | 1700 |
75 | RNAV 4015 | 4074115 | 1762 | 75 | 115 | 45 | 101800 | 372900 | 1600 |
80 | RNAV 4016 | 4074116 | 2450 | 80 | 125 | 45 | 102900 | 373500 | 1500 |
85 | RNAV 4017 | 4074117 | 2500 | 85 | 130 | 45 | 103800 | 374800 | 1400 |
17 | -- | 74703 | 126 | 17 | 35 | 24.5 | 8700 | 10800 | 4200 |
15 | -- | 74802 | 100 | 15 | 36 | 24.5 | 8900 | 11200 | 4400 |