NTNNNU4988/NNU4988K軸承
- 軸承型號：NNU4988/NNU4988K
- 系列：雙列圓柱滾子軸承
- 品牌：NTN
NTN NNU4988/NNU4988K軸承,雙列圓柱滾子軸承，軸承內圈,外圈更多詳細資料您可致電我司，此軸承型號本公司有現貨，獲取NTN NNU4988/NNU4988K配合安裝尺寸,基本尺寸,滾子粒數,NNU4988/NNU4988K價格,外形尺寸,錐度,軸承的圖紙、樣品、價格或者替換產品等！我們是NTN軸承最佳代理商，所售產品均為原裝正品，請您放心購買！ 訂購電話：021-36539288 ,021-36539299
NTNNNU4988/NNU4988K軸承參數
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系列雙列圓柱滾子軸承
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型號NNU4988/NNU4988K
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Boundarydimensions
mm- d
- D
- B
- rsmin2
- 440
- 600
- 160
- 4
-
Basic load ratings
- dynamic
- static
- dynamic
- static
- kN
- kgf
- Cr
- Cor
- Cr
- Cor
- 2,150
- 5,550
- 219,000
- 565,000
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Limiting speeds
- rpm
- grease
- oil
- 850
- 1,000
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Bearing numbers
- type NNU
- type NN
- cylindrical bore
- tapered bore
- cylindrical bore
- tapered bore
- NNU4988
- NNU4988K
- ―
- ―
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Dimensions
- mm
- Fw
- Ew
- max
- max
- 492
- ―
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Abutment and fillet dimensions- mm
- da
- db
- dc
- dd
- Da
- Db
- min
- min
- max
- min
- min
- max
- min
- ras max
- 456
- 469
- 487
- 497
- 584
- ―
- ―
- 3
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Mass
- kg
- type NNU
- type NN
- cylindrical bore
- tapered bore
- cylindrical bore
- tapered bore
- 127
- 121
- ―
- ―
- 雙列圓柱滾子軸承系列 NNU4988/NNU4988K圖片