Part Number
MM55BS120QU U0003
Site Model
TM-MM55BS120QU_U0003
UPC
0013992414793
Weight
10.08 lb
Timken Family
Ball Bearings
Timken Catalog
Timken Product Catalog
Timken Product Type
Standard
SUB-BRAND
Fafnir
ROLLING ELEMENT
Ball
BORE SIZE (ID)
55.000 mm
BORE SIZE (ID)
2.1654 in
MAXIMUM HOUSING FILLET RADIUS
0.039 in
MAXIMUM HOUSING FILLET RADIUS
1.00 mm
MAXIMUM SHAFT FILLET RADIUS
1.00 mm
MAXIMUM SHAFT FILLET RADIUS
0.039 in
PRECISION CLASS
ABEC Class 7
BEARING TYPE
Unmounted Ball Bearing
OUTER DIAMETER
4.7244 in
OUTER DIAMETER
120.000 mm
PRELOAD
Special
CONTACT ANGLE
60
MAXIMUM CAPACITY / FILLING SLOT
No
OUTER DIAMETER TYPE
Cylindrical
BORE TYPE
Cylindrical
ROW TYPE
4
OVERALL WIDTH
80.000 mm
OVERALL WIDTH
3.1496 in
RELUBRICATABLE
Yes
LUBRICANT
Grease
RELUBRICATION FEATURE
None
CAGE MATERIAL
Phenolic
BEARING MATERIAL
Steel
MATERIAL - ROLLING ELEMENTS
Steel
CAGE TYPE
Machined Window
INNER RING WIDTH
3.1496 in
INNER RING WIDTH
80.000 mm
OUTER RING WIDTH
3.1496 in
OUTER RING WIDTH
80.000 mm
NUMBER OF BEARINGS
Quadruplex
FLUSH GROUND
Yes
MOUNTING ARRANGEMENT
Back-To-Back Arrangement
COMPONENT
Assembly
CLOSURE (SEAL) TYPE
Open
ASSEMBLY COMPONENTS
Assembly