4SRS25M[SS,​SSHH,​UU]+[78-900/1]LM THK Miniature Linear Guide Caged Ball SRS Series

Brand Name:THK
Model Number:4SRS25M[SS,​SSHH,​UU]+[78-900/1]LM
Series:HM252300
Cone Part Number:HM252349
Cup Part Number:HM252315
Design Units:Imperial
Bearing Weight:44.400 Kg
Cage Type:Pin-Type
d:260.350 mm
D:431.724 mm
PDF 4SRS25M[SS,​SSHH,​UU]+[78-900/1]LM

Product Details

SeriesHM252300
Cone Part NumberHM252349
Cup Part NumberHM252315
Design UnitsImperial
Bearing Weight44.400 Kg
Cage TypePin-Type
d260.350 mm
D431.724 mm
B - Cone Width79.771 mm
C - Cup Width60.325 mm
B82.550 mm
R - Cone Backface To Clear Radius16.860 mm
r - Cup Backface To Clear Radius23.56 mm
da - Cone Frontface Backing Diameter284.99 mm
db - Cone Backface Backing Diameter292.10 mm
Da - Cup Frontface Backing Diameter398.30 mm
Db - Cup Backface Backing Diameter397.00 mm
Ab - Cage-Cone Frontface Clearance7.4 mm
Aa - Cage-Cone Backface Clearance8.9 mm
a - Effective Center Location3-9.4 mm
C90 - Dynamic Radial Rating (90 million revolutions)490100 lbf
C1 - Dynamic Radial Rating (1 million revolutions)5348000 lbf
C0 - Static Radial Rating475000 lbf
Ca90 - Dynamic Thrust Rating (90 million revolutions)651300 lbf
K - Factor71.76
e - ISO Factor80.33
Y - ISO Factor91.8
G1 - Heat Generation Factor (Roller-Raceway)1551.8
G2 - Heat Generation Factor (Rib-Roller End)152.3
Cg - Geometry Factor0.15
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Company Profile

Phone 722-298-7405
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