詳細(xì)信息
軸承代號(hào): NACHI 7021DB - 角接觸球軸承（背對(duì)背DB）
軸承尺寸
d = 105D = 160
B = 26
a = 25.2
da1(min) = 113
da2(min) = 113
Da1(max) = 152
Da2(max) = 155
ra(max) = 2
ra1(max) = 1
Mass = 1.73
額定動(dòng)負(fù)荷: 130000
額定靜負(fù)荷: 163000
極限轉(zhuǎn)速（潤(rùn)滑脂潤(rùn)滑）: 2600
極限轉(zhuǎn)速（油潤(rùn)滑）: 3500
