The Timken Company
The Timken Company
4500 Mt Pleasant St. NW
N. Canton, OH 44720
Phone: (234) 262-3000
E-Mail: CustomerCAD@timken.com • Web site: www.timken.com
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4Bolt BHU Image - locking
Unit of Measure
Items 4Bolt BHU Image - locking
RCJ 1/2
Fafnir® Four-Bolt Flanged Mounted Bearings Eccentric Locking Collar 		4Bolt BHU Image - locking
VCJ 1/2
Fafnir® Four-Bolt Flanged Mounted Bearings Eccentric Locking Collar 		Mounted Bearings Eccentric Locking Collar GVFDR Dimensions
GVFDR 1/2
Fafnir® Four-Bolt Flanged Mounted Bearings Eccentric Locking Collar 		Mounted Bearings Flange Eccentric Locking Colar GRFDR Dimensions
GRFDR 1/2
Fafnir® Four-Bolt Flanged Mounted Bearings Eccentric Locking Collar 		Mounted Bearings Eccentric Locking Collar GVFDR Dimensions
VFDR 1/2
Fafnir® Four-Bolt Flanged Mounted Bearings Eccentric Locking Collar
Series N/A Industrial N/A Standard N/A Medium-Duty N/A Medium-Duty N/A Medium-Duty
Shaft Size d N/A 1/2 in
Bearing Number N/A G1008KRRB N/A GRA008RRB N/A GRA008RRB N/A G1008KRRB N/A GRA008RRB
Total Length L N/A 76.2 mm3 in N/A 76.2 mm3 in N/A N/A N/A
Total Length H N/A N/A N/A 81 mm3.188 in N/A 81 mm3.188 in N/A 81 mm3.188 in
Housing Width A N/A 23.6 mm0.929 in N/A 23.6 mm0.929 in N/A 17.5 mm0.688 in N/A 17.5 mm0.688 in N/A 17.5 mm0.688 in
Flange Thickness A1 N/A 9.5 mm0.374 in N/A 10.3 mm0.406 in N/A 9.5 mm0.375 in N/A 9.5 mm0.375 in N/A 9.5 mm0.375 in
Bolt Hole Spacing N/A 54 mm2.126 in N/A 53.98 mm2.125 in N/A 63.5 mm2.5 in N/A 63.5 mm2.5 in N/A 63.5 mm2.5 in
Bolt Hole Size N N/A 10 mm0.394 in N/A 10 mm0.394 in N/A 7.1 mm0.281 in N/A 7.1 mm0.281 in N/A 7.1 mm0.281 in
Center of Bearing from Housing End A2 N/A 17.2 mm0.677 in N/A 17.1 mm0.673 in N/A N/A N/A
Dimension K N/A N/A N/A N/A 4.4 mm0.172 in N/A
Dimension B1 N/A 37.3 mm1.469 in N/A 28.6 mm1.126 in N/A 28.6 mm1.126 in N/A 37.3 mm1.469 in N/A 28.6 mm1.126 in
Dimension S1 N/A 23.4 mm0.921 in N/A 22.1 mm0.87 in N/A 22.1 mm0.87 in N/A 23.4 mm0.921 in N/A 22.1 mm0.87 in
Dimension D N/A 52.4 mm2.063 in N/A 52.4 mm2.063 in N/A N/A N/A
Dimension E N/A 40.6 mm1.598 in N/A 39.3 mm1.547 in N/A 31.8 mm1.25 in N/A N/A 31.8 mm1.25 in
Dimension d1 N/A 28.6 mm1.126 in
Bolt Size N/A M10 N/A M10 N/A M12 N/A M12 N/A M12
Static Load Rating N/A 4700 N1070 lbf
Dynamic Load Rating N/A 10700 N2380 lbf
Seal Type N/A Shroud Seal N/A Molded Shroud N/A N/A N/A
Housing Construction N/A Four-Bolt Square Flange
Weight N/A 0.526 Kg1.160 lb N/A 0.527 Kg1.160 lb N/A 2.63 Kg0.58 lb N/A 0.259 Kg0.57 lb N/A 2.63 Kg0.58 lb
Alternate Part Name N/A RCJ 1/2 N/A VCJ 1/2 N/A GVFDR 1/2 N/A GRFDR 1/2 N/A VFDR 1/2