Part Number MM100BS150 QUM, Fafnir® Single Row Ball Screw Support Bearings (MM-BS) On The Timken Company

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All Product Types > ENGINEERED BEARINGS > Ball Bearings > Precision Ball Bearings > Fafnir® Single Row Ball Screw Support Bearings (MM-BS) > Part Number MM100BS150 QUM


	Part Number MM100BS150 QUM, Fafnir® Single Row Ball Screw Support Bearings (MM-BS)

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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.

Unit of Measure: Imperial Metric Both

Specifications · Dimensions · Basic Load Ratings · Factors · Abutment and Fillet Dimensions

Specifications

Manufacturing Part Number		MM100BS150QUM

Rows per Set		Quadruplex

Design Units		Metric

d - Bore		100 mm

Ball Type		STEEL

Cage Type		CR - Phenolic Outer Land Riding Cage

Dimensions

D - Outer Diameter		5.9055 in 150 mm

Bearing Width		0.8858 in 22.5 mm

Total Width		3.5432 in 90 mm

Contact Angle		60 º

Basic Load Ratings

C0 - Static Radial Rating (per row)		45100 lbf 200500 N

Ce - Dynamic Radial Rating (per row)		18200 lbf 80900 N

C1 ISO - Dynamic Radial Rating (per row)		16410 lbf 72900 N

Factors

Limiting Speed (Grease) (per row)		1300 rpm

Limiting Speed (Oil)		2600 rpm

Abutment and Fillet Dimensions

R - Inner Ring "To Clear" Radius¹

0.039 in
1.00 mm

r - Outer Ring "To Clear" Radius²

0.039 in
1 mm

da - Inner Ring Backing Diameter

4.8235 in
122.517 mm

Da - Outer Ring Backing Diameter

4.8838 in
124.049 mm

¹ Maximum housing fillet radius that bearing corners will clear.
² Maximum shaft fillet radius that bearing corners will clear.

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Part Number MM100BS150 QUM, Fafnir® Single Row Ball Screw Support Bearings (MM-BS)

Manufacturing Part Number

Rows per Set

Design Units

d - Bore

Ball Type

Cage Type

D - Outer Diameter

Bearing Width

Total Width

Contact Angle

C0 - Static Radial Rating (per row)

Ce - Dynamic Radial Rating (per row)

C1 ISO - Dynamic Radial Rating (per row)

Limiting Speed (Grease) (per row)

Limiting Speed (Oil)

R - Inner Ring "To Clear" Radius1

r - Outer Ring "To Clear" Radius2

da - Inner Ring Backing Diameter

Da - Outer Ring Backing Diameter

R - Inner Ring "To Clear" Radius¹

r - Outer Ring "To Clear" Radius²