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6840JR - NTN Single Row Deep Groove Ball Bearing

6840JR - NTN Single Row Deep Groove Ball Bearing

Regular price £185.51
Regular price Sale price £185.51
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6840JR bearing reference breakdown

Below we will break down the 6840JR bearing reference and provide an explanation for each section provided it can actually be broken down. We can split it into 3 parts the prefix, suffix and body of the item code.

The suffix can be found at the end of the bearing number:


JR - Which denotes a bearing with pressed rivet cage

The body of the bearing reference is what is left after removing the suffix and the prefix:


68 - Metric, Light Series Deep Groove Ball Bearing
40 - 200mm Bore Size

d (mm) 200 D (mm) 250 B (mm) 24
rs min (mm) 1.5 Mass (kg) 2.73
da min (mm) 208 Da max (mm) 242 ra max (mm) 1.5
Dynamic load C (kN) 74 Static load C0 (kN) 91.5 Fatigue limit load Cu (kN) 2.75
f0 16.1 Nlim (oil) (Tr/min) 2700 Nlim (grease) (Tr/min) 2300
Min operating temperature Tmin (°C) -40 Max operating temperature Tmax (°C) 120 Characteristic cage frequency FTF (Hz) 0.47
Characteristic rolling element frequency BSF (Hz) 14.85 Characteristic outer ring frequency BPF0 (Hz) 11.66 Characteristic inner ring frequency BPFI (Hz) 13.34
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