Dongjie bearing

Deep groove ball bearing

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Model

d

D

B

Cr

Cor

Reference speed

Limiting Speeds

W 638/2 R-2Z - 5 mm 2.3 mm 0.094 N 0.025 N - 100000
W 638/2 X-2Z - 5 mm 2.5 mm 0.094 N 0.025 N - 100000
W 638/2 XR-2Z - 5 mm 2.5 mm 0.094 N 0.025 N - 100000
W 638/2.5 R-2Z - 6 mm 2.6 mm 0.117 N 0.036 N - 85000
W 638/2.5-2Z - 6 mm 2.6 mm 0.117 N 0.036 N - 85000
W 638/2-2Z - 5 mm 2.3 mm 0.094 N 0.025 N - 100000
W 638/3 R-2RS1 - 7 mm 3 mm 0.178 N 0.057 N - 45000
W 638/3 R-2Z - 7 mm 3 mm 0.178 N 0.057 N - 80000
W 638/3-2RS1 - 7 mm 3 mm 0.178 N 0.057 N - 45000
W 638/3-2Z - 7 mm 3 mm 0.178 N 0.057 N - 80000
W 638/4 R-2RS1 - 9 mm 4 mm 0.364 N 0.114 N - 40000
W 638/4 R-2Z - 9 mm 4 mm 0.364 N 0.114 N - 70000
W 638/4 X-2RS1 - 10 mm 4 mm 0.553 N 0.245 N - 36000
W 638/4 X-2RZ - 10 mm 4 mm 0.553 N 0.245 N - 63000
W 638/4 X-2Z - 10 mm 4 mm 0.553 N 0.245 N - 63000
W 638/4 XR-2RS1 - 10 mm 4 mm 0.553 N 0.245 N - 36000
W 638/4 XR-2Z - 10 mm 4 mm 0.553 N 0.245 N - 63000
W 638/4-2RS1 - 9 mm 4 mm 0.364 N 0.114 N - 40000
W 638/4-2RZ - 9 mm 4 mm 0.364 N 0.114 N - 70000
W 638/4-2Z - 9 mm 4 mm 0.364 N 0.114 N - 70000