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04:32:45 GMT+0000 (Coordinated Universal Time)


BK0408
Drawn cup needle roller bearing closed end
Drawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Product information

Main Dimensions & Performance Data
Fw | 4 mm | Under roller diameter |
D | 8 mm | Outside diameter |
C | 8 mm | Width, outer ring |
Cr | 1.780 N | Basic dynamic load rating, radial |
C0r | 1.310 N | Basic static load rating, radial |
Cur | 147 N | Fatigue load limit, radial |
nG Grease | 25.500 1/min | Limiting speed for grease lubrication |
nG | 42.500 1/min | Limiting speed |
nϑr | 44.500 1/min | Reference speed |
≈m | 1,6 g | Weight |
Dimensions
rmin | 0,3 mm | Minimum chamfer dimension |
Ct min | 6,4 mm | Minimum width to base of drawn cup with closed end |
Temperature range
Tmin | -30 °C | Operating temperature min. |
Tmax | 140 °C | Operating temperature max. |
Additional information
GR4X8X2 | Sealing ring |
Downloads:
Your current product variant
Lubricant | Without | |
Lubrication hole | Without | |
Coating | Without | |
Sealing | Without |
Characteristics