產(chǎn)品詳情
滿裝圓柱滾子軸承是為了承受重載荷而設(shè)計(jì)的。在同樣寬度下,這種軸承與傳統(tǒng)型帶保持架軸承相比,具有的承載能力,徑向截面小,可以節(jié)省空間,但轉(zhuǎn)速相對(duì)較低。所有多列圓柱滾子軸承在外圈上有一潤(rùn)滑槽和潤(rùn)滑孔。
為了使軸承正常工作,在連續(xù)運(yùn)轉(zhuǎn)的情況下,軸承必須承受一定的最小負(fù)荷,即C/P<25。否則因潤(rùn)滑不足和高速運(yùn)轉(zhuǎn)時(shí)會(huì)加劇磨損。
滿裝軸承的尺寸公差和幾何偏差應(yīng)符合GB/T307.1-94(ISO492- 1994)P0級(jí),并具有正常徑向游隙(CO),也可要求具(C2)到(C4)原始徑向游隙。但訂貨時(shí)在軸承代號(hào)后需增加相應(yīng)的游隙后綴字母。橡塑螺桿擠出機(jī)一般選用C3組游隙。
配合公差可參考軸承座及軸公差極限選擇原則。
軸承允許承受一定的軸向負(fù)荷。充分的潤(rùn)滑是承受軸向負(fù)荷的一個(gè)先決條件。單向定位軸承和定位軸承其承受軸向負(fù)荷的擋邊必須受到支承。在安裝與拆卸時(shí),安裝或拆卸力不能直接通過圓柱滾子和套圈擋邊來傳遞。
外形尺寸(mm) | 額定負(fù)荷(kN) | 極限轉(zhuǎn)速(r/min)* | 重量(Kg) | 軸承代號(hào) | ||||||
d | D | C | B | rs min | Cr | Cor | STON | INA | ||
20 | 42 | 29 | 30 | 0.3 | 40.2 | 52 | 3600 | 0.21 | NNF5004-2LSNVY | SL045004PPX |
25 | 47 | 29 | 30 | 0.3 | 44.6 | 62 | 3000 | 0.23 | NNF5005-2LSNVY | SL045005PPX |
30 | 55 | 33 | 34 | 0.3 | 52.8 | 75 | 2600 | 0.35 | NNF5006-2LSNVY | SL045006PPX |
35 | 62 | 35 | 36 | 0.3 | 66 | 91.5 | 2200 | 0.45 | NNF5007-2LSNVY | SL045007PPX |
40 | 68 | 37 | 38 | 0.6 | 79 | 116 | 2000 | 0.53 | NNF5008-2LSNVY | SL045008PPX |
45 | 75 | 39 | 40 | 0.6 | 95 | 146 | 1880 | 0.68 | NNF5009-2LSNVY | SL045009PPX |
50 | 80 | 39 | 40 | 0.6 | 101 | 160 | 1700 | 0.73 | NNF5010-2LSNVY | SL045010PPX |
55 | 90 | 45 | 46 | 0.6 | 119 | 193 | 1500 | 1.1 | NNF5011-2LSNVY | SL045011PPX |
60 | 95 | 45 | 46 | 0.6 | 123 | 208 | 1400 | 1.2 | NNF5012-2LSNVY | SL045012PPX |
65 | 100 | 45 | 46 | 0.6 | 128 | 224 | 1300 | 1.3 | NNF5013-2LSNVY | SL045013PPX |
70 | 110 | 53 | 54 | 0.6 | 190 | 325 | 1200 | 1.85 | NNF5014-2LSNVY | SL045014PPX |
75 | 115 | 53 | 54 | 0.6 | 201 | 355 | 1100 | 2 | NNF5015-2LSNVY | SL045015PPX |
80 | 125 | 59 | 60 | 0.6 | 233 | 415 | 1000 | 2.7 | NNF5016-2LSNVY | SL045016PPX |
85 | 130 | 59 | 60 | 0.6 | 251 | 430 | 1000 | 2.75 | NNF5017-2LSNVY | SL045017PPX |
90 | 140 | 66 | 67 | 0.6 | 297 | 550 | 900 | 3.8 | NNF5018-2LSNVY | SL045018PPX |
95 | 145 | 66 | 67 | 0.6 | 303 | 570 | 900 | 3.95 | NNF5019-2LSNVY | SL045019PPX |
100 | 150 | 66 | 67 | 0.6 | 308 | 570 | 850 | 4.05 | NNF5020-2LSNVY | SL045020PPX |
110 | 170 | 79 | 80 | 0.6 | 380 | 695 | 750 | 6.45 | NNF5022-2LSNVY | SL045022PPX |
120 | 180 | 79 | 80 | 0.6 | 402 | 750 | 700 | 6.9 | NNF5024-2LSNVY | SL045024PPX |
130 | 200 | 94 | 95 | 0.6 | 572 | 1040 | 630 | 10.5 | NNF5026-2LSNVY | SL045026PPX |
140 | 210 | 94 | 95 | 0.6 | 594 | 1120 | 600 | 11 | NNF5028-2LSNVY | SL045028PPX |
150 | 225 | 99 | 100 | 0.6 | 693 | 1290 | 560 | 13.5 | NNF5030-2LSNVY | SL045030PPX |
160 | 240 | 108 | 109 | 0.6 | 721 | 1400 | 500 | 16.5 | NNF5032-2LSNVY | SL045032PPX |
170 | 260 | 121 | 122 | 0.6 | 935 | 1800 | 480 | 22.5 | NNF5034-2LSNVY | SL045034PPX |
180 | 280 | 135 | 136 | 0.6 | 1080 | 2120 | 450 | 30 | NNF5036-2LSNVY | SL045036PPX |
190 | 290 | 135 | 136 | 0.6 | 1100 | 2200 | 430 | 31.5 | NNF5038-2LSNVY | SL045038PPX |
200 | 310 | 149 | 150 | 0.6 | 1340 | 2900 | 400 | 42 | NNF5040-2LSNVY | SL045040PPX |
220 | 340 | 159 | 160 | 1 | 1510 | 3100 | 360 | 53.5 | NNF5044-2LSNVY | SL045044PPX |
240 | 360 | 159 | 160 | 1 | 1570 | 3350 | 340 | 57.5 | NNF5048-2LSNVY | SL045048PPX |