7910A5TYNSULP4 Super Precision Angular Contact Ball Bearing 50x72x12mm 25 Degree Contact Angle Spindle Bearing

LM249747NW/10D is a heavy‑duty inch‑size TDO double‑row tapered roller bearing composed of two cones and one double cup. It is engineered to withstand large combined radial and bidirectional axial loads with excellent shock‑resistance. Optimized internal geometry ensures stable low‑friction operation and long‑term service life for continuous heavy‑load industrial working conditions. Its separable structure allows convenient installation, inspection and maintenance.

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• 25‑degree contact angle balances high‑speed performance and axial rigidity
• P4 super precision grade guarantees excellent rotary accuracy
• UL light preload reduces vibration and improves running stability
• TYN polyamide cage delivers low friction and good heat resistance
• Universal SU design supports flexible DB DF back‑to‑face‑to‑back mounting
• Open structure fits grease or oil‑air high‑speed lubrication

• CNC machine tool spindles
• High‑speed servo motors
• Precision grinding equipment
• Automated processing machinery
• High‑speed rotating test instruments
• Industrial precision robotics

• 30 years professional bearing industry experience
• ISO certified strict quality inspection
• Flexible OEM & private label customization
• 3-5 days fast delivery for stocked bearings
• Full bearing series, universal interchangeable size
• Factory direct price & reliable after-sales service