Corrosion-Resistant Three-Bolt Flanged Mounted Bearings - Poly-Round® On The Timken Company

Smarter Bearing Selection Is Here

The Timken ^® Syber ^® Bearing System Designer Tool now features Smart Selection, enabling users to find the right bearing faster by filtering options based on target life and key dimensions.

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Analyze Bearing Performance in an Application with Timken ^® Syber ^® Bearing System Designer

A powerful software tool that combines calculators and configurators to assist you with application design, bearing selection, installation, and troubleshooting. It’s free, easy-to-use, and accessible 24/7.

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Simplified Gear Force Analysis

Alex Waye, Timken Application Engineer, shows you how to instantly compute tangential, radial, and axial forces for better design decisions.

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Part Number	Bore Size	Bearing Style	Bearing Number	Housing Material	DoubleLock® Style	CAD
NAU4LKSFBQK205	N/A 25 mm	N/A NA – Food Safe	N/A NAU4LK205	N/A Cast Stainless Steel	N/A Standard	N/A
ONU4LKAFB205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
ONU4LKBFB205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A Blue Thermoset (Polymer)	N/A Standard	N/A
ONU4LKBFBQK205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A Hygienic Blue Thermoset (Polymer)	N/A Standard	N/A
ONU4LKPLFB205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A White Thermoplastic (Polymer)	N/A Standard	N/A
ONU4LKSFB205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
ONU4LKSFBQK205	N/A 25 mm	N/A ON – Metal detectable	N/A ONU4LK205	N/A Cast Stainless Steel	N/A Standard	N/A
PAU4LKAFB205	N/A 25 mm	N/A PA – Low Abrasion/Food Safe	N/A PAU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
PAU4LKBFB205	N/A 25 mm	N/A PA – Low Abrasion/Food Safe	N/A PAU4LK205	N/A Blue Thermoset (Polymer)	N/A Standard	N/A
PAU4LKBFBQK205	N/A 25 mm	N/A PA – Low Abrasion/Food Safe	N/A PAU4LK205	N/A Hygienic Blue Thermoset (Polymer)	N/A Standard	N/A
PAU4LKPLFB205	N/A 25 mm	N/A PA – Low Abrasion/Food Safe	N/A PAU4LK205	N/A White Thermoplastic (Polymer)	N/A Standard	N/A
PAU4LKSFB205	N/A 25 mm	N/A PA – Low Abrasion/Food Safe	N/A PAU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
QFU4LKAFB205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
QFU4LKBFB205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A Blue Thermoset (Polymer)	N/A Standard	N/A
QFU4LKBFBQK205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A Hygienic Blue Thermoset (Polymer)	N/A Standard	N/A
QFU4LKHEAFB205	N/A 25 mm	N/A QF – Food Safe	N/A QFU4LKHE205	N/A Machined Stainless Steel	N/A HE – High Temp. Expansion	N/A
QFU4LKHVAFB205	N/A 25 mm	N/A QF – Food Safe	N/A QFU4LKHV205	N/A Machined Stainless Steel	N/A HV – High Temp. Fixed	N/A
QFU4LKPLFB205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A White Thermoplastic (Polymer)	N/A Standard	N/A
QFU4LKSFB205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A Machined Stainless Steel	N/A Standard	N/A
QFU4LKSFBQK205	N/A 25 mm	N/A QF – High Temp	N/A QFU4LK205	N/A Cast Stainless Steel	N/A Standard	N/A
FAU4LKAFB205-16	N/A 1 in	N/A FA – Food Safe (US)	N/A FAU4LK205-16	N/A Machined Stainless Steel	N/A Standard	N/A
FAU4LKBFB205-16	N/A 1 in	N/A FA – Food Safe (US)	N/A FAU4LK205-16	N/A Blue Thermoset (Polymer)	N/A Standard	N/A
FAU4LKBFBQK205-16	N/A 1 in	N/A FA – Food Safe (US)	N/A FAU4LK205-16	N/A Hygienic Blue Thermoset (Polymer)	N/A Standard	N/A
FAU4LKHEAFB205-16	N/A 1 in	N/A FA – Food Safe (US)	N/A FAU4LKHE205-16	N/A Machined Stainless Steel	N/A HE – High Temp. Expansion	N/A
FAU4LKHVAFB205-16	N/A 1 in	N/A FA – Food Safe (US)	N/A FAU4LKHV205-16	N/A Machined Stainless Steel	N/A HV – High Temp. Fixed	N/A

N/A NA – Food Safe

N/A NAU4LK205

N/A Cast Stainless Steel

N/A Standard

N/A

ONU4LKAFB205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

ONU4LKBFB205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A Blue Thermoset (Polymer)

N/A Standard

N/A

ONU4LKBFBQK205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A Hygienic Blue Thermoset (Polymer)

N/A Standard

N/A

ONU4LKPLFB205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A White Thermoplastic (Polymer)

N/A Standard

N/A

ONU4LKSFB205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

ONU4LKSFBQK205

N/A 25 mm

N/A ON – Metal detectable

N/A ONU4LK205

N/A Cast Stainless Steel

N/A Standard

N/A

PAU4LKAFB205

N/A 25 mm

N/A PA – Low Abrasion/Food Safe

N/A PAU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

PAU4LKBFB205

N/A 25 mm

N/A PA – Low Abrasion/Food Safe

N/A PAU4LK205

N/A Blue Thermoset (Polymer)

N/A Standard

N/A

PAU4LKBFBQK205

N/A 25 mm

N/A PA – Low Abrasion/Food Safe

N/A PAU4LK205

N/A Hygienic Blue Thermoset (Polymer)

N/A Standard

N/A

PAU4LKPLFB205

N/A 25 mm

N/A PA – Low Abrasion/Food Safe

N/A PAU4LK205

N/A White Thermoplastic (Polymer)

N/A Standard

N/A

PAU4LKSFB205

N/A 25 mm

N/A PA – Low Abrasion/Food Safe

N/A PAU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

QFU4LKAFB205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

QFU4LKBFB205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A Blue Thermoset (Polymer)

N/A Standard

N/A

QFU4LKBFBQK205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A Hygienic Blue Thermoset (Polymer)

N/A Standard

N/A

QFU4LKHEAFB205

N/A 25 mm

N/A QF – Food Safe

N/A QFU4LKHE205

N/A Machined Stainless Steel

N/A HE – High Temp. Expansion

N/A

QFU4LKHVAFB205

N/A 25 mm

N/A QF – Food Safe

N/A QFU4LKHV205

N/A Machined Stainless Steel

N/A HV – High Temp. Fixed

N/A

QFU4LKPLFB205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A White Thermoplastic (Polymer)

N/A Standard

N/A

QFU4LKSFB205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A Machined Stainless Steel

N/A Standard

N/A

QFU4LKSFBQK205

N/A 25 mm

N/A QF – High Temp

N/A QFU4LK205

N/A Cast Stainless Steel

N/A Standard

N/A

FAU4LKAFB205-16

N/A 1 in

N/A FA – Food Safe (US)

N/A FAU4LK205-16

N/A Machined Stainless Steel

N/A Standard

N/A

FAU4LKBFB205-16

N/A 1 in

N/A FA – Food Safe (US)

N/A FAU4LK205-16

N/A Blue Thermoset (Polymer)

N/A Standard

N/A

FAU4LKBFBQK205-16

N/A 1 in

N/A FA – Food Safe (US)

N/A FAU4LK205-16

N/A Hygienic Blue Thermoset (Polymer)

N/A Standard

N/A

FAU4LKHEAFB205-16

N/A 1 in

N/A FA – Food Safe (US)

N/A FAU4LKHE205-16

N/A Machined Stainless Steel

N/A HE – High Temp. Expansion

N/A

FAU4LKHVAFB205-16

N/A 1 in

N/A FA – Food Safe (US)

N/A FAU4LKHV205-16

N/A Machined Stainless Steel

N/A HV – High Temp. Fixed

N/A

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Bore Size (in)

Bore Size (mm)

Bearing Style

Housing Material

DoubleLock® Style

Part Number

Bore Size

Bearing Style

Bearing Number

Housing Material

DoubleLock® Style

CAD