NTN RNA4912R 68 mm ID Roller Bearing Needle Roller, Machined-ring, 85 mm OD
- RS庫存編號:
- 455-524
- 製造零件編號:
- RNA4912R
- 製造商:
- NTN
小計（1 件）*
TWD2,432.00
(不含稅)
TWD2,553.60
(含稅)
訂單超過 $1,300.00 免費送貨
製造商存貨
- 準備從 2026年6月15日 起發貨
**需要更多嗎？**輸入您需要的數量，然後按一下「查看送貨日期」以查詢更多庫存和送貨詳細資訊。
單位 | 每單位 |
|---|---|
| 1 + | TWD2,432.00 |
* 參考價格
- RS庫存編號:
- 455-524
- 製造零件編號:
- RNA4912R
- 製造商:
- NTN
規格
產品概覽和技術數據資料表
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產品詳細資訊
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選取全部 | 屬性 | 值 |
|---|---|---|
| 品牌 | NTN | |
| Product Type | Roller Bearing | |
| Inside Diameter | 68mm | |
| Race Width | 25mm | |
| Bore Type | Cylindrical | |
| Roller Material | Steel | |
| Static Load Rating | 108kN | |
| Number of Rows | 1 | |
| Bearing Material | Steel | |
| Series | RNA4912R | |
| Dynamic Load Rating | 61.5kN | |
| Maximum Speed - Grease | 4000rpm | |
| Outside Diameter | 85mm | |
| Maximum Speed - Oil | 6000rpm | |
| Standards/Approvals | RoHS | |
| Internal Clearance | CN | |
| Race Type | Machine-Ring | |
| Bearing Type | Needle Roller, Machined-ring | |
| 選取全部 | ||
|---|---|---|
品牌 NTN | ||
Product Type Roller Bearing | ||
Inside Diameter 68mm | ||
Race Width 25mm | ||
Bore Type Cylindrical | ||
Roller Material Steel | ||
Static Load Rating 108kN | ||
Number of Rows 1 | ||
Bearing Material Steel | ||
Series RNA4912R | ||
Dynamic Load Rating 61.5kN | ||
Maximum Speed - Grease 4000rpm | ||
Outside Diameter 85mm | ||
Maximum Speed - Oil 6000rpm | ||
Standards/Approvals RoHS | ||
Internal Clearance CN | ||
Race Type Machine-Ring | ||
Bearing Type Needle Roller, Machined-ring | ||
- COO (Country of Origin):
- JP
The NTN Needle roller bearing, designed without an inner ring, offers robust structural integrity and superior performance for various applications. Its machined ring construction ensures a perfect fit and reliability, making it ideal for scenarios where space is limited and weight is a concern. With unique features like double-side ribs and a lubrication hole, this bearing is engineered for optimal efficiency. The exceptional load ratings guarantee long-lasting durability, accommodating heavy loads with ease while maintaining smooth operation. Operating within a wide temperature range increases its versatility, catering to diverse industrial applications.
Precision class ensures high-performance operation
Includes lubrication holes for straightforward maintenance
Constructed with high-quality rolling element material for longevity
Reduced radial clearance for precision alignment
Optimised for easy installation in compact spaces
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