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FFM4551-25 Oilite® M-Series Metric

Flange

Sintered Bronze Impregnated with Synthetic Performance Difference™ AM1-SPD™.

Largest Selection of Metric Sizes World Wide.

Temp Range -37°C to +149°C

45 x 51 x 25 x 57 x 3

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Dimensions & Tolerances

Nominal ID

45 mm

Max ID

45.04 mm

Min ID

45.01 mm

Nominal OD

51 mm

Max OD

51.08 mm

Min OD

51.05 mm

Flange OD

57 mm ±0.254

Flange Thickness

3 mm ±0.127

Length

25 mm ±0.127

Weight

0.19 lbs / 86.2 g

Press Fit

Housing Bore

50.98709 mm ±0.013

Shaft Diameter

44.8717 mm ±0.005

Heat

Max Temp F	300
Min Temp F	-35
Max Temp C	149
Min Temp C	-37

Pressure Ratings

Max P (N/mm²)	13.78
Max V (m/s)	6.1
Max PV (N-M/mm²-s)	1.75

P (N/mm²)	0
V (m/s)	0
PV (N-M/mm²-s)	0

* Values from Engineering Assist.

Regulations

USDA-H1 Certified
Food Contact Certified
Lead-Free
Conflict Free
RoHS Certified
Reach Certified

Engineering Preferences

Conducts Electricity
Washdown
Chemical Resistant
Corrosion Resistant
Ultra Precision
Electrical Insulation
STEAM

Lubrication

Self-Lubricating
Dry Running
Supplemental Lube

Specifications Met

SAE 841
ASTM B-438 GR 1 TYPE 2
CT-1000-K26

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