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234421-M-SP Double direction axial angular contact ball bearings are highly rigid,
axially preloaded super precision bearings with restricted tolerances
to class SP for the bearing arrangements of precision spindles
in machine tools.
234421-M-SP bearings without self-retention comprise solid shaft locating
washers, a spacer ring, a housing locating washer and ball and cage
assemblies with solid cages. The bearing parts are matched to each
other and can be fitted separately, but must not be interchanged
with parts from bearings of the same size.
|
description |
Axial angular contact ball bearings |
|
|
Bearing type |
INA Code 234421-M-SP |
|
|
Basic dimension(mm) |
d |
105 mm |
|
D |
160 mm |
|
|
B |
66 mm |
|
|
B1 |
16.5mm |
|
|
C |
33 mm |
|
|
Da H12 |
150 mm |
|
|
d1 |
142 mm |
|
|
dah12 |
128 mm |
|
|
ds |
4.8 mm |
|
|
r1 min |
0.6 mm |
|
|
Basic load rating |
Ca(KN) |
74KN |
|
Coa(KN) |
250 KN |
|
|
Limiting speed |
nG(rpm) |
36001/min |
|
|
nB(rpm) |
48001/min |
|
Weight |
|
3.41 kgs |
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 6301N NSK | 12 | 37 | 12 |
| 6201N NSK | 12 | 32 | 10 |