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美国
04:52:54 GMT+0000 (Coordinated Universal Time)
产品信息
公制
英制
主要尺寸和性能数据
d1 | 300 mm | Bore Diameter |
0.005 mm | Bore diameter upper tolerance | |
-0.027 mm | Bore diameter lower tolerance | |
Da | 380 mm | Outside Diameter |
0 mm | 外径,上偏差 | |
-0.036 mm | 外径,下偏差 | |
H | 38 mm | Height of the assembled bearing |
hi | 38 mm | heigth inner ring |
0.14 mm | 宽度,上偏差 | |
-0.14 mm | 宽度,下偏差 | |
≈m | 11.6 kg | 重量 |
尺寸
Di | 340.8 mm | Inner diameter outer ring |
DM | 340 mm | rolling element pitch circle diameter |
da | 339.2 mm | outer diameter inner ring |
h | 38 mm | height of individual ring |
0 mm | Height of individual ring upper tolerance | |
-0.05 mm | Height of individual ring lower tolerance | |
rmin | 2.1 mm | chamfer dimension |
S | 2.5 mm | diameter of lubrication hole |
温度范围
Tmin | -30 °C | 最低工作温度 |
Tmax | 80 °C | 最高工作温度 |
计算因素
0.02 mm | Running accuracy, radial | |
0.01 mm | Running accuracy, axial | |
Sr min | 0.01 mm | Minimum radial bearing clearance, at standard bearing clearance |
Sr max | 0.04 mm | Maximum radial bearing clearance, at standard bearing clearance |
Sk min | 0.02 mm | Minimum axial tilting clearance, at standard bearing clearance |
Sk max | 0.08 mm | Maximum axial tilting clearance, at standard bearing clearance |
RLOmax | 0.005 mm | Low clearance: Radial clearance |
RLOmax | 0.01 mm | Low clearance: Preload |
Ca | 245,000 N | 基本额定动载荷, 轴向 |
C0a | 990,000 N | Basic static load rating, axial |
Cr | 174,000 N | Basic dynamic load rating, radial (for radial load only) |
C0r | 485,000 N | Basic static load rating, radial (for radial load only) |
NG oil | 450 1/min | Limiting speed for oil lubrication with normal clearance |
NG Grease | 225 1/min | Limiting speed for grease lubrication with normal clearance |
61860 | Dimensions identical to ISO dimension series 18 |
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