Corrosion-Resistant Inserts – Poly-Round® with Locking Sleeve On The Timken Company

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DoubleLock® Style

Bearing Style

Bore Size (in)

Bore Size (mm)

Outside Diameter D (mm)

Outside Diameter D (in)

Locking Sleeve Width B1 (mm)

Locking Sleeve Width B1 (in)

Part Number	DoubleLock® Style	Bearing Style	Bore Size	Outside Diameter D	Locking Sleeve Width B1	CAD

ONU4LK210-30	N/A Standard	N/A ON – Metal detectable	N/A 1 7/8 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
PAU4LK210-30	N/A Standard	N/A PA – Low Abrasion/Food Safe	N/A 1 7/8 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LK210-30	N/A Standard	N/A QF – High Temp	N/A 1 7/8 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LKHE210-30	N/A HE – High Temp. Expansion	N/A QF – High Temp	N/A 1 7/8 in	N/A 90 mm3.543 in	N/A 58.9 mm2.318 in	N/A
QFU4LKHV210-30	N/A HV – High Temp. Fixed	N/A QF – High Temp	N/A 1 7/8 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FAU4LK210-31	N/A Standard	N/A FA – Food Safe (US)	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FAU4LKHE210-31	N/A HE – High Temp. Expansion	N/A FA – Food Safe (US)	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 58.9 mm2.318 in	N/A
FAU4LKHV210-31	N/A HV – High Temp. Fixed	N/A FA – Food Safe (US)	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FEU4LK210-31	N/A Standard	N/A FE – Food Safe (Europe)	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
NAU4LK210-31	N/A Standard	N/A NA – Food Safe	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
ONU4LK210-31	N/A Standard	N/A ON – Metal detectable	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
PAU4LK210-31	N/A Standard	N/A PA – Low Abrasion/Food Safe	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LK210-31	N/A Standard	N/A QF – High Temp	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LKHE210-31	N/A HE – High Temp. Expansion	N/A QF – High Temp	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 58.9 mm2.318 in	N/A
QFU4LKHV210-31	N/A HV – High Temp. Fixed	N/A QF – High Temp	N/A 1 15/16 in	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FAU4LK210	N/A Standard	N/A FA – Food Safe (US)	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FAU4LKHE210	N/A HE – High Temp. Expansion	N/A FA – Food Safe (US)	N/A 50 mm	N/A 90 mm3.543 in	N/A 58.9 mm2.318 in	N/A
FAU4LKHV210	N/A HV – High Temp. Fixed	N/A FA – Food Safe (US)	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
FEU4LK210	N/A Standard	N/A FE – Food Safe (Europe)	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
NAU4LK210	N/A Standard	N/A NA – Food Safe	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
ONU4LK210	N/A Standard	N/A ON – Metal detectable	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
PAU4LK210	N/A Standard	N/A PA – Low Abrasion/Food Safe	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LK210	N/A Standard	N/A QF – High Temp	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A
QFU4LKHE210	N/A HE – High Temp. Expansion	N/A QF – High Temp	N/A 50 mm	N/A 90 mm3.543 in	N/A 58.9 mm2.318 in	N/A
QFU4LKHV210	N/A HV – High Temp. Fixed	N/A QF – High Temp	N/A 50 mm	N/A 90 mm3.543 in	N/A 52.7 mm2.075 in	N/A

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DoubleLock® Style

Bearing Style

Bore Size (in)

Bore Size (mm)

Outside Diameter D (mm)

Outside Diameter D (in)

Locking Sleeve Width B1 (mm)

Locking Sleeve Width B1 (in)

Part Number

DoubleLock® Style

Bearing Style

Bore Size

Outside Diameter D

Locking Sleeve Width B1

CAD