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Home>Products>Pre-packed with WPH waterproof grease Precision Bearings>NTN 7909UADG/GNP42U3G High precision angular contact ball bearings

NTN 7909UADG/GNP42U3G High precision angular contact ball bearings
Online shopping Hmg Industriebedarf GmbH NTN 7909UADG/GNP42U3G High precision angular contact ball bearings from a great selection at Store. ... Pre-packed with WPH waterproof grease Precision Bearings Accessories.
- NTN
7909UADG/GNP42U3G
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Hmg Industriebedarf GmbH2020-07-10 09:46:19
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NTN 7909UADG/GNP42U3G High precision angular contact ball bearings Dimensions
d | 45 mm |
D | 68 mm |
B | 12 mm |
d1 | 52.7 mm |
d2 | 50.8 mm |
D1 | 60.4 mm |
D2 | 64 mm |
a | 19.2 mm |
Contact angle α | 25 ° |
rs min | 0.6 mm |
r1s min | 0.3 mm |
f0 | 16.1 |
Precision class | P42 |
Mass | 0.12 kg |
Brand | NTN |
Dynamic load, C | 17 kN |
Static load, C0 | 14.1 kN |
Nlim (oil) | 29,000 rpm |
Nlim (grease) | 18,000 rpm |
Preload level | GN |
Preload value | 0.167 kN |
Axial rigidity | 127.3 N/µm |
Radial rigidity | 269.5 N/µm |
Min operating temperature, Tmin | -20 °C |
Max operating temperature, Tmax | 120 °C |
Characteristic cage frequency, FTF | 0.44 Hz |
Characteristic rolling element frequency, BSF | 7.81 Hz |
Characteristic outer ring frequency, BPF0 | 8.41 Hz |
Characteristic inner ring frequency, BPFI | 10.59 Hz |
da min | 49.5 mm |
Da max | 63.5 mm |
Db max | 65.5 mm |
r1a max | 0.3 mm |
ra max | 0.6 mm |
D6 | 52.8 mm |
The Limiting Speed depends on the NTN 7909UADG/GNP42U3G type, dimensions, lubricating method, load, etc. The Limiting Speed of a Pre-packed with WPH waterproof grease Precision Bearings is limited by the circumferential speed of the contact sections of the seal and raceway ring. When using a Pre-packed with WPH waterproof grease Precision Bearings at 75% or more of its Limiting Speed, select the correct required grease type and amount or the correct lubrication oil and method.
45 mm 1.7717 in x 68 mm 2.6772 in x 12 mm 0.4724 in Outer Diameter (mm) NTN 7909 Pre-packed with WPH waterproof grease Precision Bearings
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- Hmg Industriebedarf GmbH
- AddressHerwigstr. 125 236 Bremerhaven
- Phone(Working Time)0471 97391512
- Fax0471 97391512
Product Categories
- Light pressure contact seals Precision Bearings
- Special design 60° contact angle Precision Bearings
- Pre-packed with WPH waterproof grease Precision Bearings
- Special Polyamide cage design Precision Bearings
- Special EP (Extra Pure) steel Precision Bearings
- Space Saving Precision Bearings
- High Load Capacity Precision Bearings
- Sealed ACTBB for Ball Screw Support bearing
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