Tapered roller bearings
  • Single-row tapered roller bearings
  • 3878/20 Inch series

3878/20 Bearing | Single-row tapered roller bearings

3878/20 interchange JTEKT Corporation(Koyo) | Jtekt North America 3878/20
3878/20 cross reference JTEKT Corporation(Koyo) | Jtekt North America 3878/20
3878/20 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 3878/20
d: 30.162
D: 36.512
B: 3.2
r(min): 0.8
r1(min): 6400
Width: 4800
Size: 3878/20
Y0: 85.725
STAN: 20.3
SD: 135
RA: 136
R1: 23.812


30248 Metric Design

Y0: 30248

STAN: 0.74

SD: Standard

RA: 240

R1: 4.0

R: 4.0

32356 Metric Design

Y0: 32356

STAN: 0.89

SD: _

RA: 280

R1: 5.0

R: 6.0

32088 Metric Design

Y0: 32088

STAN: 0.92

SD: _

RA: 440

R1: 5.0

R: 6.0

32352 Metric Design

Y0: 32352

STAN: 0.88

SD: _

RA: 260

R1: 5.0

R: 6.0

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