Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Combined needle roller bearings -- Needle roller / thrust rolling bearings SKF NKXR 45 Z

NKXR 45 Z

Dimensions

F_w		45	mm
D		58	mm
C		32	mm
C₁		14	mm
C₂		9	mm
d		45	mm
D₂		66.5	mm
r_1,2	min.	0.6	mm

Abutment dimensions

d_a	min.	60.6	mm
r_a	max.	0.6	mm
r_b	max.	0.3	mm
d_i		40	mm
F		45	mm
B_i		20	mm

Calculation data

Basic dynamic load rating, radial direction	C	27.5	kN
Basic static load rating, radial direction	C₀	57	kN
Basic dynamic load rating, axial direction	C	45	kN
Basic static load rating, axial direction	C₀	153	kN
Fatigue load limit, radial direction	P_u	7.1	kN
Fatigue load limit, axial direction	P_u	15.3	kN
Minimum axial load factor	A	0.00187
Reference speed		2200	r/min
Limiting speed		4500	r/min

Mass

Mass bearing

0.26

Associated products

Inner ring

IR 40x45x20

Model Number: NKXR 45 Z
Inner Diameter：45mm Outer Diameter：58mm Width：32mm
Reference speed:4500 r/min Limiting speed:2200 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Combined needle roller bearings
Details： Combined needle roller bearings Needle roller / thrust rolling bearings
Update date：2026-07-29
Application:power source,medical treatment,Broadcasting System,Vertical machining,disposable,car,metal mold,intermediate,power tools,defogging and degreasing,Safety protection
Similar models:PSM 354525 A51 PWM 455340 K 45x53x20 PCM 140145100 E D/W ER1458 BC4B 320455 NUTR 45100 A 331945 PF 45 TR PRM 455050
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Model No. Inner Diameter Outer Diameter Width Type

120 VL R
BT4B 331089 A/HA4
PCM 202330 M
SAF 1517
SAW 23518 x 3.1/8 T

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Model No.	Inner Diameter	Outer Diameter	Width	Type
120 VL R
BT4B 331089 A/HA4
PCM 202330 M
SAF 1517
SAW 23518 x 3.1/8 T