Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications15 parameters

Core specifications
Parameter	Symbol	Value
Series		NU1056
Bore diameter	d	280 mm
Outside diameter	D	420 mm
Width	B	65 mm
Basic dynamic load rating	C	680 kN
Basic static load rating	C0	1100 kN
Fatigue load limit	Pu	96 kN
Reference speed	nref	1550 r/min
Limiting speed	nG	2550 r/min
Mass	≈m	31.377 kg
Precision class		PN — Normal (ISO 492:2023)
Internal clearance		C3 (Group 3) — Internal clearance larger than CN
Cage		M1 — Two Piece Brass Cage Roller Guided
Minimum operating temperature	Tmin	-30 °C
Maximum operating temperature	Tmax	150 °C

Product characteristics5 parameters

Product characteristics
Parameter	Symbol	Value
Design		Standard
Cage	M1	Two Piece Brass Cage Roller Guided
Radial internal clearance	C3 (Group 3)	Internal clearance larger than CN
Tolerance class	PN	Normal (ISO 492:2023)
Number of rows	1	Single-row design

Main Dimensions & Performance Data9 parameters

Main Dimensions & Performance Data
Parameter	Symbol	Value
Bore diameter	d	280 mm11.024 in
Outside diameter	D	420 mm16.535 in
Width	B	65 mm2.559 in
Basic dynamic load rating, radial	Cr	680,000 N152,877.698 lbf
Basic static load rating, radial	C0r	1,100,000 N247,302.158 lbf
Fatigue load limit, radial	Cur	96,000 N21,582.734 lbf
Limiting speed	nG	2,550 1/min
Reference speed	nϑr	1,550 1/min
Mass	≈m	31.377 kg69.174 lbs

Mounting dimensions6 parameters

Mounting dimensions
Parameter	Symbol	Value
Minimum diameter shaft shoulder	da min	295 mm11.614 in
Maximum diameter of shaft shoulder	da max	312 mm12.283 in
Minimum shaft shoulder	db min	321 mm12.638 in
Maximum diameter of housing shoulder	Da max	405 mm15.945 in
Maximum recess radius	ra max	3 mm0.118 in
Maximum recess radius	ra1 max	3 mm0.118 in

Dimensions6 parameters

Dimensions
Parameter	Symbol	Value
Minimum chamfer dimension	rmin	4 mm0.157 in
Minimum chamfer dimension	r1 min	4 mm0.157 in
Axial displacement	s	7.2 mm0.283 in
Raceway diameter outer ring	E	384 mm15.118 in
Raceway diameter inner ring	F	316 mm12.441 in
Minimum rib diameter outer ring	D1 min	371.3 mm14.618 in

Temperature range2 parameters

Temperature range
Parameter	Symbol	Value
Operating temperature min.	Tmin	-30 °C-22 °F
Operating temperature max.	Tmax	150 °C302 °F

Capabilities & suitability5 parameters

Capabilities & suitability
Parameter	Symbol	Value
Radial load capacity		Yes
Suitable for grease lubrication		Yes
Suitable for oil lubrication		Yes
Unsealed design		Yes
Largebearing		Yes

Manufacturer Identity10 parameters

Product Identity2 parameters

Product Identity
Parameter	Symbol	Value
Construction		Cylindrical roller bearing NU..-M1, with cage, single row, non-locating bearing, 2 ribs on outer ring, 0 ribs on inner ring (smooth), type NU, Running accuracy in P6
Short Description		Cylindrical roller bearing

Technical Data22 parameters

Technical Data
Parameter	Symbol	Value
Bore Diameter (D)		280 mm
Outside Diamater (D)		420 mm
Total Width (B)		65 mm
Basic Dynamic Load Rating, Radial (Cr)		680,000 N
Basic Static Load Rating, Radial (C0R)		1,100,000 N
Raceway Diameter Inner Ring (F)		316 mm
Operating Temperature Min. (Tmin)		-30 °C
Minimum Diameter Shaft Shoulder (Da)		295 mm
Operating Temperature Max. (Tmax)		150 °C
Limiting Speed (Limiting Spe)		2,550 1/min
Reference Speed (Nϑr)		1,550 1/min
Maximum Recess Radius (Ra Max)		3 mm
Maximum Diameter Of Housing Shoulder (Da)		405 mm
Minimum Chamfer Dimension (R1 Min)		4 mm
Axial Displacement (S)		7.2 mm
Minimum Rib Diameter Outer Ring (D1 Min)		371.3 mm
Maximum Diameter Of Shaft Shoulder (Da Max)		312 mm
Maximum Recess Radius (Ra1 Max)		3 mm
Minimum Chamfer Dimension (Rmin)		4 mm
Raceway Diameter Outer Ring (E)		384 mm
Minimum Shaft Shoulder (Db Min)		321 mm
Fatigue Load Limit, Radial (Cur)		96,000 N

FAG NU1056-M1-C3