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Spherical bearings are designed to manage high radial loads even when misalignment, poor lubrication, contamination, extreme speeds or critical application stresses are present.
Timken_SRB_Steel_EJW33_21306EJW33C3-A2
SRB EJ Line Drawing
Unit of Measure
Items Timken_SRB_Steel_EJW33_21306EJW33C3-A2
21305EJW33
Spherical Roller Bearings - Steel Cage
Timken_SRB_Steel_EJW33_21306EJW33C3-A2
21305EJW33C2
Spherical Roller Bearings - Steel Cage
Timken_SRB_Steel_EJW33_21306EJW33C3-A2
21305EJW33C3
Spherical Roller Bearings - Steel Cage
Timken_SRB_Steel_EJW33_21306EJW33C3-A2
21305EJW33C4
Spherical Roller Bearings - Steel Cage
Timken_SRB_Steel_EJW33_21306EJW33C3-A2
21305KEJW33
Spherical Roller Bearings - Steel Cage
UPC Code N/A 087796022522 N/A 087796030442 N/A 087796204591 N/A 087796030459 N/A 087796288393
Design Unit N/A Metric
d - Bore N/A 25 mm
D - Outer Diameter N/A 62 mm2.4409 in
B' - Inner Ring Width N/A 17 mm0.6693 in
B - Outer Ring Width N/A 17 mm0.6693 in
Bore_Taper N/A N/A N/A N/A N/A 1/12
R - Inner Ring "To Clear" Radius1 N/A 1 mm0.040 in
r - Outer Ring "To Clear" Radius2 N/A 1 mm0.040 in
da - Inner Ring Backing Diameter N/A 35.000 mm1.400 in
Da - Outer Ring Backing Diameter N/A 55.0 mm2.100 in
C0 - Static Radial Rating N/A 55500 N12500 lbf
C1(2) - Dynamic Radial Rating (Two-Rows) N/A 44300 N9970 lbf
e - ISO Factor3 N/A 0.27
Y0 - ISO Factor4 N/A 2.43
Y1 - ISO Factor5 N/A 2.48
Y2 - ISO Factor6 N/A 3.7
Reference Thermal Speed Rating (Grease) N/A 8100 rpm
Reference Thermal Speed Rating (Oil)7 N/A 10100 rpm
Cg - Geometry Factor8 N/A 0.0367
Bearing Weight N/A
Cage Type N/A EJ
Cage Material N/A Steel
Superseded Part N/A 21305CJW33 N/A 21305CJW33C2 N/A 21305CJW33C3 N/A 21305CJW33C4 N/A 21305KCJW33
  • 1 Maximum housing fillet radius that bearing corners will clear.
  • 2 These maximum fillet radii will be cleared by the bearing corners.
  • 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 4 These factors apply for both inch and metric calculations. See engineering
  • 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
  • 7 See thermal speed ratings in the engineering section.
  • 8 Geometry constant for Lubrication Life Adjustment Factor a3l.