Bearings, units and housings -- Roller bearings -- Needle roller bearings -- Drawn cup needle roller bearings -- Drawn cup needle roller bearings SKF BK 4020

BK 4020

Dimensions

F_w		40	mm
D		47	mm
C		20	mm
C₁	min.	17.3	mm
r	min.	0.8	mm

Calculation data

Basic dynamic load rating	C	24.2	kN
Basic static load rating	C₀	53	kN
Fatigue load limit	P_u	6.4	kN
Reference speed		6300	r/min
Limiting speed		7000	r/min

Mass

Mass bearing

0.062

Designation

BK 4020

Associated products

Inner ring IR series			IR 35x40x20.5
Inner ring LR series			LR 35x40x20.5
Radial shaft seal with a low cross-sectional height, single lip			G 40x47x4
Radial shaft seal with a low cross-sectional height, double lip			SD 40x47x4

Model Number: BK 4020
Inner Diameter：40mm Outer Diameter：47mm Width：20mm
Reference speed:7000 r/min Limiting speed:6300 r/min
Type：Bearings, units and housings Roller bearings Needle roller bearings Drawn cup needle roller bearings
Details： Drawn cup needle roller bearings Drawn cup needle roller bearings
Update date：2025-12-09
Application:wheel lathe,Material handling equipment,ultra-quiet generators,spring industry,special broaching machine,tobacco machinery,Optical detection,Industry,raw material accessories,Low-voltage electrical equipment,security equipment
Similar models:HK 4020 24020 CCK30/W33 BT4B 334020 G/HA4 HK 4020.2RS C 4020 V PCM 374020 M HN 4020 24020 CC/W33 BK 4020 PBM 120140200 M1G1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
18 VA R	16	-	-	Seals
42x62x8 HMS5 V	42	62	8	Seals
C 3084 M	420	620	150	Bearings, units and housings
K 17x21x17	17	21	17	Bearings, units and housings
NA 4904.2RS	20	37	17	Bearings, units and housings
NJ 2215 ECP	75	130	31	Bearings, units and housings
NNCF 4956 CV	280	380	100	Bearings, units and housings
PBM 152216 M1G1	15	22	16	Bearings, units and housings
PCM 353930 M	35	39	30	Bearings, units and housings
PCMF 202315 E	20	23	15	Bearings, units and housings
SY 1.11/16 TF/VA228	42.862	-	-	Bearings, units and housings
Z 015	75	-	7	Seals

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Hot number： 1050 VL R 22x38x7 CRW1 V 24028-2CS5/VT143 248/900 CAMA/W20 26204 306-ZNR 32 VS V 590653 65x140x12 HMSA10 RG BT2B 328028/HA1 NJ 216 ECJ PCMW 183201.5 E SAF 1622 T SD 37x47x4 SONL 224-524