Home » Products » Cylindrical Roller Bearings » 200×310×82 Mm NN3040 Cylindrical Roller Bearing, Roller Guided, Brass Cage, W33, for Large Machining Spindle
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200×310×82 Mm NN3040 Cylindrical Roller Bearing, Roller Guided, Brass Cage, W33, for Large Machining Spindle
NN3040 is a double row cylindrical roller bearing. It features controlled roller guidance and low thermal drift. Taper bore version is available for preload adjustment. Good for heavy load large machining center spindles.
1. model：NN3040 2. type：double row cylindrical roller bearing 3. size：200×310×82 mm 4. bore：cylindrical bore / tapered bore 1:12 (K) 5. precision grade：P4 P5 P6 6. feature：three ribs on inner ring, outer ring rib-free 7. optional：W33 circumferential oil groove and oil holes 8. cage：solid machined brass cage 9. function：low thermal drift, controlled roller guidance 10. application：large machining center, high precision spindle
NN3040 double-row cylindrical roller bearing is designed for heavy radial loads and high rigidity in demanding industrial applications. Its roller arrangement supports stable shaft guidance under load. Standard dimensions are 200×310×82 mm (d×D×B). Typical applications include steel processing equipment, industrial gearboxes, rolling mills and heavy-duty machinery.
Expand your offering with cylindrical roller bearings for machinery manufacturers, maintenance contractors and industrial spare-parts dealers. We can help identify related NN, NU, NJ and NUP series models, allowing you to handle more customer inquiries through a broader product range.
Specification & Quality Coordination
Correct bearing selection helps reduce installation issues and unexpected downtime. We can review the required precision grade, internal clearance, cage type and operating conditions before confirming an order. Technical details can be checked against your equipment requirements or existing bearing reference.
Wholesale Cooperation & Logistics
We support distributors with bulk orders, repeat purchasing and OEM packaging options. Choose industrial packing, neutral boxes or individual boxes according to your sales channel. Payment methods include T/T, PayPal, Western Union and L/C, subject to agreement. Shipping can be arranged by air, sea or express, with MOQ, availability and lead time confirmed before ordering.
CHIK BEARING produces a wide range of ball and roller bearings for automotive making,Ferrous Metallurgy, hemical Machinery and Machine Manufacturing .
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