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BK2520
Drawn cup needle roller bearing closed end
Drawn cup needle roller bearings with closed end BK, to DIN 618/ISO 3245
Replaces
BK 2520
Product information
Metric
Imperial
Main Dimensions & Performance Data
Fw | 25 mm | Under roller diameter |
D | 32 mm | Outside diameter |
C | 20 mm | Width, outer ring |
Cr | 19,900 N | Basic dynamic load rating, radial |
C0r | 33,000 N | Basic static load rating, radial |
Cur | 4,300 N | Fatigue load limit, radial |
nG Grease | 6,100 1/min | Limiting speed for grease lubrication |
nG | 10,200 1/min | Limiting speed |
nϑr | 7,400 1/min | Reference speed |
≈m | 38 g | Weight |
Dimensions
rmin | 0.8 mm | Minimum chamfer dimension |
Ct min | 17.3 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
SD25X32X4 | Sealing ring | |
G25X32X4 | Sealing ring 2 | |
LR20X25X20,5 | Suitable inner rings LR | |
IR20X25X20-XL | Suitable inner rings IR |