NSK NNU4948MBKR軸承詳細(xì)信息
NNU4948MBKR軸承是NSK軸承品牌、雙列圓柱滾子軸承的軸承型號,常用于飛機噴氣式發(fā)動機、小型汽車前輪、提升機、差速器、造紙機械、汽車轉(zhuǎn)向銷、燃機、塑料、掘進(jìn)機、廚具設(shè)備等領(lǐng)域。
后綴列表:【KR:錐孔,錐角 1:12】【MB:滾動體引導(dǎo)銅合金保持架】【NNU:外圈雙擋邊,內(nèi)圈無擋邊,內(nèi)圈可分離】
NSK NNU4948MBKR軸承詳細(xì)參數(shù)
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軸承型號(1): | NNU4948MBKR |
Circumscribed circle diameter of roller(mm)(reference)(Inscribed circle diameterin the case of NNU type): | 263 |
重量(kg)(大約): | 16.2 |
推薦的潤滑脂量-高速主軸軸承 (cc/軸承): | 52 |
基本尺寸(mm) |
d: | 240 |
D: | 320 |
B: | 80 |
r(min.): | 2.1 |
基本額定載荷(kN) |
Cr(動態(tài)): | 625 |
C0r(靜態(tài)): | 1450 |
極限轉(zhuǎn)速(min-1) |
脂潤滑: | 2400 |
油潤滑: | 2900 |
參考尺寸(mm) |
da(min.): | 251 |
d1a(min.): | 254 |
參考尺寸(mm)Dara |
(max.): | 309 |
(min.): | |
(max.): | 2 |
Clearance in Matched 軸承s with Tapered Bore(μm)CC9(2)CC0CC1 |
(min.): | 25 |
(max.): | 50 |
(min.): | 40 |
(max.): | 65 |
(min.): | 50 |
(max.): | 100 |
Clearance in Matched 軸承swith Cylindrical Bore(μm)CC1 |
(min.): | 15 |
(max.): | 50 |
Lubrication Holes 尺寸(E44 Specification)(mm)Lubrication HoleMachined Lubrication GrooveNumber of Holes |
dh: | 5 |
W: | 9 |
m: | 4 |
其他參數(shù)(詳情請電話咨詢) |
LangID: | 1 |
hidYobi: | NNU4948MBKR |