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SKU: ZKLN.2557.ZZ
INA ZKLN2557ZZ Shielded Double Row Axial Angular Contact Ball Bearing 25x57x28mm Allow 2-3 Days
INA ZKLN2557ZZ Shielded Double Row Axial Angular Contact Ball Bearing 25x57x28mm Allow 2-3 Days
Regular price
$532.06
ex VAT
Regular price
Sale price
$532.06
ex VAT
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4+
$356.39
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$336.37
19+
$332.37
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$328.36
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$324.36
49+
$320.35
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$300.33
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$296.33
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$292.32
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$280.31
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Description
Description
|
INA ZKLN Series Angular Contact Bearings: Bearings of series ZKLN are double row axial angular contact ball bearings with an outer ring suitable for mounting in a housing and has integral seals. These bearings are predominantly used for the bearing arrangements of screw drives and are an extremely economical solution for criteria such as a simple adjacent construction and low fitting costs. The larger sizes of these bearings – with a bore diameter of 60 mm to 100 mm are particularly suitable for bearing arrangements of large threaded spindles or rotating threaded nuts, in other words screw drives with a static spindle. Double row axial angular contact ball bearings of series ZKLN...ZZ have two rows of balls with a contact angle of 60deg. The bearings are sealed on both sides with gap seals and are greased for life for the majority of applications. Additional seals in the adjacent construction are not generally required. In most applications, the initial greasing is sufficient for the whole operating life. If necessary, re lubrication can be carried out via a threaded connector from a central lubrication system on the flange side or by means of a lubrication groove and lubrication hole via the adjacent construction. The axial run out tolerance corresponds approximately to P2 in accordance with DIN 620. Benefits: Cost effective solution, re-lubricatable, housed fitting, low down time |
- Brand / Quality:
- INA - High Quality
- Inside Diameter:
- 25mm
- Outside Diameter:
- 57mm
- Width:
- 28mm
- Seals / Shields:
- Metal Shielded
- Clearance:
- * Standard
Technical
Technical
| d | 25mm (Tolerance -0.005) |
|---|---|
| D | 57mm (Tolerance -0.01) |
| B | 28mm (Tolerance -0.25) |
| Da max | 48mm |
| d1 | 40.5mm |
| da min | 32mm |
| r1 min | 0.6mm |
| r min | 0.3mm |
| Basic dynamic load rating, axial | 27500 N |
| Basic static load rating, axial | 55000 N |
| nG Fett | 4700 rpm |
| MRL | 0.2 Nm |
| caL | 750 N/micrometres |
| ckL | 200 Nm/mrad |
| Mm | 0.486 kg x cm^2 |
| Axial runout | 2 micrometres |
| Locknut | ZM25, AM25 |
| MA | 25 Nm |
| Axial preload force | 9410 N |
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