– Type: Stud‑mount heavy‑duty cam follower roller bearing
– Outer roller diameter:4 inch
– Material: Heat‑treated high‑alloy bearing steel
– Max dynamic radial load:205 kN
– Seal: Double‑sided heavy‑duty dust‑proof sealing
– Feature: Impact‑resistant, anti‑abrasion, for derrick guide rail travel
– Applicable equipment:NOV VARCO TDS‑8SA / TDS‑9SA / TDS‑11SA top‑drive
– Operating temperature:‑40℃ ~ +120℃
