INA
RNA4912-XL INA Machined Needle Roller Bearing - 68X85X25MM
SKU
: rna4912-xl-ina
Availability
: In Stock ✅
Bulk Pricing :
Description
The RNA4912-XL is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with a lubrication groove and oil hole in the Outer Ring. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications. The Bearing's dimensions are 68X85X25mm.
The IKO equivalent is RNA4912.
| RNA | 49 | 12 | XL |
|---|---|---|---|
| Single Row Caged Needle Roller Bearing | Dimension Series 49 | 68mm - Bore Size | X-Life Bearing |
Product Information
SKU: Availability:
In Stock ✅
Technical Data
Inside Diameter (mm)
68
Outside Diameter (mm)
85
Width (mm)
25
Under Roller Diameter (mm)
68
Fatigue Load Rating (kN)
19.1
IKO Equivalent
RNA4912
Dynamic Load Rating (kN)
68
Limiting Speed Rating (r/min)
6700
Reference Speed Rating (r/min)
3850
Static Load Rating (kN)
108
Max. Operating Temperature
120°C/248°F
Min. Operating Temperature
-30°C/-22°F
DescriptionThe RNA4912-XL is a Standard Duty Open Type, Single Row Machined Needle Roller Bearing with a lubrication groove and oil hole in the Outer Ring. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications. The Bearing's dimensions are 68X85X25mm. The IKO equivalent is RNA4912.
Product InformationBRANDS: SKU: rna4912-xl-ina Availability:In Stock ✅ 0.272 kg Technical DataInside Diameter (mm)68 Outside Diameter (mm)85 Width (mm)25 Under Roller Diameter (mm)68 Fatigue Load Rating (kN)19.1 IKO EquivalentRNA4912 Dynamic Load Rating (kN)68 Limiting Speed Rating (r/min)6700 Reference Speed Rating (r/min)3850 Static Load Rating (kN)108 Max. Operating Temperature120°C/248°F Min. Operating Temperature-30°C/-22°F | |||||||||
Product InformationBRANDS: SKU: rna4912-xl-ina Availability:In Stock ✅ 0.272 kg Technical DataInside Diameter (mm)68 Outside Diameter (mm)85 Width (mm)25 Under Roller Diameter (mm)68 Fatigue Load Rating (kN)19.1 IKO EquivalentRNA4912 Dynamic Load Rating (kN)68 Limiting Speed Rating (r/min)6700 Reference Speed Rating (r/min)3850 Static Load Rating (kN)108 Max. Operating Temperature120°C/248°F Min. Operating Temperature-30°C/-22°F | |||||||||
Bulk PricingFor bulk discount on this product, contact our dedicated sales team today by filling out the form below: | |||||||||
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