Brand

• FAG (1622)
• SKF (1452)
• NSK (1291)
• NTN (708)
• SNR (673)
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Bore

• C - Cylindrical Bore (8540)
• K - 1:12 Tapered Bore (Standard for Most Types) (5012)
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Seal

• No Seal (11971)
• 2RS - Rubber Seal on Two Sides (1507)
• 2RH - High Speed Low Friction Seal on Two Sides (2)
• 2F - Standard Seal for Y-bearings (1)
• ZZ/2Z - Steel Seal on Two Sides (12)
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Cage Type

• S - Steel or Standard Cage (8551)
• P - Plastic Molded Cage (3872)
• M - Brass Cage (1107)
• TB - Hard Fiber Cage (1)
• FC - Full Complement, No Cage (1)
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External Modification

• No External Modification (4)
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Radial Internal Play

• C2 Internal Play (Less than Cn) (38)
• Cn Normal Internal Play (9566)
• C3 Internal Play (Higher than Cn) (3749)
• C4 Internal Play (Higher than C3) (151)
• C5 Internal Play (Higher than C4) (45)
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Precision

• Standard Precision (13456)
• P5 Precision (Higher than P6) (6)
• P6 Precision (Higher than Standard) (48)
• Higher Running Acc. ISO Cl.5 (1)
• Dim. Acc. P4, Run. Acc. P2 (16)
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Lubrication

• Standard Lubrication (13397)
• Low Temperature Grease (4)
• High Temperature Grease (1)
• Food Grease (2)
• 9 - Isoflex Lithium Grease (1)
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Heat Stabilization

• No Heat Stabilization - Temperatures up to 120 °C (13527)
• S1 - Temperatures up to 200 °C (19)
• S2 - Temperatures up to 250 °C (2)
• S3 - Temperatures up to 300 °C (3)
• 240 ºC (1)
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Special Treatment

• No Special Treatment (2)
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