Timken MM312K
Fafnir® Spindle Deep Groove Ball Bearings
(BRAND)：TIMKEN
(Availability)：In Stock
Specifications
Design Units
Metric
Rows per Set
Single
d - Bore
60 mm
Ball Type
STEEL
Cage Type
CR - Phenolic Inner Land Riding Cage
Precision Class
ISO P4S (ABEC 7/9)
Dimensions
D - Outer Diameter
130 mm
Bearing Width
31 mm
Basic Load Ratings
Ce - Dynamic Radial Rating (per row)1
90700 N
C0 - Static Radial Rating (per row)
51800 N
C1 ISO - Dynamic Radial Rating (per row)
82500 N
Factors
Limiting Speed (Grease) (per row)
11500 rpm
Limiting Speed (Oil)
23000 rpm
Abutment and Fillet Dimensions
R - Inner Ring "To Clear" Radius2
2 mm
r - Outer Ring "To Clear" Radius3
2 mm
da - Inner Ring Backing Diameter
72.6 mm
Da - Outer Ring Backing Diameter
117.9 mm
