Needle roller bearings BK4020 NTN
NTN

Needle roller bearings BK4020

Bearing NTN BK4020, Ø40×47×20 mm. Request a quote — worldwide shipping.

Code: BK4020
Type Needle roller bearings
Dimensions Ø 40 × 47 × 20 mm
d40Bore Ø (mm)
×
D47Outer Ø (mm)
×
B20Width (mm)
All bearings 40×47×20 mm Compare all brands with this size
Request quote
In stock

Technical specifications

BrandNTN
Fw - Under rollers diameter40 mm
D - External diameter47 mm
C - Width of bearing, drawn cup or outer ring20 mm
C1 - Max drawn cup closed end thickness2,7 mm
Lubrication hole on outer ringNon/No
Inner ring referenceIR35X40X20.5
Mass0,064 kg
Cr - Dynamic load rating25900000 mN
C0r - Static load rating52500000 mN
N lim - Grease lubrication limit speed24000 °/s
N lim - Oil lubrication limit speed36000 °/s
Tmin - Min operating temperature253,15 °K
Tmax - Max operating temperature393,15 °K

Related products

Rolling bearings WS89314
NTN Rolling bearings WS89314 Ø 70 × × 12 mm d×D×B70 × × 12 mm
In stock
Rolling bearings WS89313
NTN Rolling bearings WS89313 Ø 65 × × 10.5 mm d×D×B65 × × 10.5 mm
In stock
Rolling bearings WS89312
NTN Rolling bearings WS89312 Ø 60 × × 10.5 mm d×D×B60 × × 10.5 mm
In stock
Rolling bearings WS89311
NTN Rolling bearings WS89311 Ø 55 × × 10.5 mm d×D×B55 × × 10.5 mm
In stock
Rolling bearings WS89310
NTN Rolling bearings WS89310 Ø 50 × × 9.5 mm d×D×B50 × × 9.5 mm
In stock
Rolling bearings WS89309
NTN Rolling bearings WS89309 Ø 45 × × 8.25 mm d×D×B45 × × 8.25 mm
In stock
Rolling bearings WS89308
NTN Rolling bearings WS89308 Ø 40 × × 7.5 mm d×D×B40 × × 7.5 mm
In stock
Rolling bearings WS89307
NTN Rolling bearings WS89307 Ø 35 × × 7 mm d×D×B35 × × 7 mm
In stock
Rolling bearings WS89306
NTN Rolling bearings WS89306 Ø 30 × × 6.25 mm d×D×B30 × × 6.25 mm
In stock
Rolling bearings WS87410
NTN Rolling bearings WS87410 Ø 50 × × 9.5 mm d×D×B50 × × 9.5 mm
In stock
Rolling bearings WS87408
NTN Rolling bearings WS87408 Ø 40 × × 8.25 mm d×D×B40 × × 8.25 mm
In stock
Rolling bearings WS81214
NTN Rolling bearings WS81214 Ø 70 × × 8 mm d×D×B70 × × 8 mm
Equivalents In stock
NTN BK4020