KOYO NA6903A Needle Non Thrust Roller Bearings

d:	80 mm
seal type::	Felt Seal
bolt circle diameter::	8.6250 in
pilot diameter::	7.3750 in
B:	10.2500 in
overall depth::	4.1875 in
flange mounting type::	Four-Bolt Piloted Flange
operating temperature range::	Max 250°
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Product Details

d	80 mm
seal type:	Felt Seal
bolt circle diameter:	8.6250 in
pilot diameter:	7.3750 in
B	10.2500 in
overall depth:	4.1875 in
flange mounting type:	Four-Bolt Piloted Flange
operating temperature range:	Max 250°
bearing type:	Tapered Roller
finish/coating:	Uncoated
housing construction:	Solid Flange Mount
lubrication type:	Lubrication Fitting
bore type:	Round
bolt size:	0.7500 in
duty type:	Standard Duty
inner ring width:	5 in
housing material:	Cast Iron
series:	RFP Series
locking device:	Double Set Screw
manufacturer catalog number:	555199
expansion type:	Non-Expansion Bearing (Fixed)