6868 KOYO Single-row deep groove ball bearings
Brand Name: |
KOYO |
Model Number: |
6868 |
Series: |
18000 |
Cone Part Number: |
18204X |
Cup Part Number: |
18337 |
Design Units: |
Imperial |
Bearing Weight: |
0.4 Kg |
Cage Type: |
Stamped Steel |
d: |
51.999 mm |
D: |
85.725 mm |
PDF |
6868 |
Product Details
Series |
18000 |
Cone Part Number |
18204X |
Cup Part Number |
18337 |
Design Units |
Imperial |
Bearing Weight |
0.4 Kg |
Cage Type |
Stamped Steel |
d |
51.999 mm |
D |
85.725 mm |
B - Cone Width |
18.263 mm |
C - Cup Width |
12.700 mm |
B |
19.050 mm |
R - Cone Backface To Clear Radius1 |
2.030 mm |
r - Cup Backface To Clear Radius2 |
1.52 mm |
da - Cone Frontface Backing Diameter |
56.90 mm |
db - Cone Backface Backing Diameter |
59.94 mm |
Da - Cup Frontface Backing Diameter |
82.00 mm |
Db - Cup Backface Backing Diameter |
75.95 mm |
Ab - Cage-Cone Frontface Clearance |
2.3 mm |
Aa - Cage-Cone Backface Clearance |
1.8 mm |
a - Effective Center Location3 |
2 mm |
C90 - Dynamic Radial Rating (90 million revolutions)4 |
3010 lbf |
C1 - Dynamic Radial Rating (1 million revolutions)5 |
11600 lbf |
C0 - Static Radial Rating |
14400 lbf |
Ca90 - Dynamic Thrust Rating (90 million revolutions)6 |
2920 lbf |
K - Factor7 |
1.03 |
e - ISO Factor8 |
0.57 |
Y - ISO Factor9 |
1.06 |
G1 - Heat Generation Factor (Roller-Raceway) |
26.1 |
G2 - Heat Generation Factor (Rib-Roller End) |
22.1 |
Cg - Geometry Factor |
0.0852 |