(dimensions in mm)
Bearing Type - straight bore, lube groove and holes
Bore Dia (d) - 180.0000
Outer Dia (D) - 280.0000
Width (B) - 74.0000
Radius (min) (rs) - 2.100
Dynamic Load Rating (Cr) - 800,000
Static Load Rating (Cor) - 1,380,000
Max Speed (Grease) (X1000 RPM) - 1
Max Speed (Oil) (X1000 RPM) - 2
Weight (g) - 17,030.00
Material - 52100 Chrome steel, or equivalent
Inner ring guided machined brass cage, lube groove and holes.
Unless otherwise specified, the internal radial clearance is "C0" or "C Normal".
Basic Radial Load Factor "e" = 0.24
Basic Radial Load Factor "Y1" = 2.8
Basic Radial Load Factor "Y2" = 4.2
Basic Radial Load Factor "Y0" = 2.8
Hot number:NACHI NU 221 E TIMKEN 1986/1931-B OKB 42313H OKB INA 29372-E1-MB FAG 29434-E1 SKF GE35ES-2RS NTN K40×45×13 FAG H-2310x111/16 SKF HC7028TGP/4 INA KG-180XPO SKF 87274 SKF SNL 3138 NOK VC 42 60 7 NBR NOK AS568-378-B
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