The Timken Company - Cylindrical Roller Radial Bearings - Single Row Standard

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Items	E-1673-B Cylindrical Roller Radial Bearings - Single Row Standard	105RU32R3 Cylindrical Roller Radial Bearings - Single Row Standard	105RU02 R3 Cylindrical Roller Radial Bearings - Single Row Standard	105RU32R3 Cylindrical Roller Radial Bearings - Single Row Standard	105RN32R3 Cylindrical Roller Radial Bearings - Single Row Standard
Design Units	N/A Metric
d - Bore	N/A 100 mm	N/A 105 mm	N/A 105 mm	N/A 105 mm	N/A 105 mm
D - Outer Diameter	N/A 180 mm7.0866 in	N/A 190 mm7.4803 in	N/A 190 mm7.4803 in	N/A 190 mm7.4803 in	N/A 190 mm7.4803 in
C - Inner Ring Width	N/A 34 mm1.3386 in	N/A 65.088 mm2.5625 in	N/A 36 mm1.4173 in	N/A 65.1 mm2.5625 in	N/A 65.1 mm2.5625 in
B - Outer Ring Width	N/A 34 mm1.3386 in	N/A 65.088 mm2.5625 in	N/A 36 mm1.4173 in	N/A 65.1 mm2.5625 in	N/A 65.1 mm2.5625 in
C0 - Static Radial Rating	N/A 237000 N53300 lbf	N/A 640000 N144000 lbf	N/A 246000 N55300 lbf	N/A 640000 N144000 lbf	N/A 640000 N144000 lbf
C - Dynamic Radial Rating¹	N/A 195000 N43800 lbf	N/A 471000 N106000 lbf	N/A 220000 N49500 lbf	N/A 471000 N106000 lbf	N/A 471000 N106000 lbf
Reference Thermal Speed Rating (Grease)	N/A 2200 rpm	N/A 2400 rpm	N/A 2100 rpm	N/A 2500 rpm	N/A 2500 rpm
Reference Thermal Speed Rating (Oil)²	N/A 2600 rpm	N/A 2700 rpm	N/A 2600 rpm	N/A 2800 rpm	N/A 2800 rpm
R - Inner Ring "To Clear" Radius³	N/A 4.1 mm0.200 in	N/A 2 mm0.100 in	N/A 2 mm0.100 in	N/A	N/A
r - Outer Ring "To Clear" Radius⁴	N/A 2 mm0.1 in	N/A 2 mm0.1 in	N/A 2 mm0.1 in	N/A 2 mm0.08 in	N/A 2 mm0.08 in
da - Inner Ring Backing Diameter	N/A	N/A 121 mm4.8000 in	N/A 121 mm4.8000 in	N/A 120.7 mm4.7500 in	N/A 120.7 mm4.7500 in
Da - Outer Ring Backing Diameter	N/A 0 mm0.0000 in	N/A 175 mm6.9000 in	N/A 175 mm6.9000 in	N/A 174.6 mm6.8800 in	N/A 174.6 mm6.8800 in
Cg - Geometry Factor⁵	N/A 0.0898	N/A 0.1129	N/A 0.0896	N/A 0.115	N/A 0.115
Bearing Weight	N/A	N/A 8.3 Kg18.300 lb	N/A 4.60 Kg10.1 lb	N/A 8.3 Kg18.300 lb	N/A 8.3 Kg18.300 lb
Type	N/A NJ	N/A NU	N/A NU	N/A NU	N/A N
Full Timken Part Number	N/A
¹ Based on 1 x 10⁶ L₁₀ life for the ISO life calculation method. ² See thermal speed ratings in the engineering section. ³ Maximum housing fillet radius that bearing corners will clear. ⁴ Maximum shaft fillet radius that bearing corners will clear. ⁵ Geometry constant for Lubrication Life Adjustment Factor a3l.