The XCB71916-E-2RSD-T-P4S-K5-UL FAG is a high-performance spindle bearing from the FAG X-life ultra series — a hybrid angular contact ball bearing combining Cronidur 30 steel rings with ceramic balls for exceptional speed, load, and temperature performance.
Suffix Breakdown
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E: 25° Contact Angle
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2RSD: Lip Seals on Both Sides, Non-Contact Type
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T: Textile Laminated Phenolic Resin Cage, Outer Ring Guided — suitable for long-term operation up to 100°C
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P4S.K5: Combination of P4S (ISO 4, Abec-7 / Abec-9) + K5 mean sorting of bore and outside diameter
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UL: Single Bearing, Universal, Light Preload
Specifications
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Brand: FAG (Schaeffler)
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Type: Angular Contact Ball Bearing Single Row (Hybrid / X-life ultra)
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Bore (d): 80 mm / 3.1496 in
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Outer Diameter (D): 110 mm / 4.3307 in
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Width (B): 16 mm / 0.6299 in
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Weight: 0.31 kg
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Seal: 2RU – Two Seals / Non Contact Type
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Cage: TB – Hard Fiber Cage
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Precision: K5 – P4S + K5
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Contact Angle: 25 degrees
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Pairing: G – Universal Pairing
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Preload: UL – Universal, Light Preload
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Lubrication: Standard
at, allowing for higher contact pressure. It is corrosion resistant and less vulnerable to dirt than normal bearing steel. The ceramic balls enable higher speeds and reduced load on lubricants — saving significantly on maintenance costs.
