Tapered roller bearings
  • Single-row tapered roller bearings
  • 3877/21 Inch series

3877/21 Bearing | Single-row tapered roller bearings

3877/21 interchange JTEKT Corporation(Koyo) | Jtekt North America 3877/21
3877/21 cross reference JTEKT Corporation(Koyo) | Jtekt North America 3877/21
3877/21 Equivalent bearing interchange guide:
Price: enquiry
Model Number: 3877/21
d: 30.162
D: 41.275
B: 3.60
r(min): 3877/21
r1(min): 6400
Width: 4800
Size: 85.725
Y0: 20.3
STAN: 135
SD: 136
RA: 23.812
R1: 30.162


32352 Metric Design

Y0: 32352

STAN: 0.88

SD: _

RA: 260

R1: 5.0

R: 6.0

30256 Metric Design

Y0: 30256

STAN: 0.74

SD: _

RA: 280

R1: 5.0

R: 5.0

30248 Metric Design

Y0: 30248

STAN: 0.74

SD: Standard

RA: 240

R1: 4.0

R: 4.0

32968 Metric Design

Y0: 32968

STAN: 0.80

SD: _

RA: 340

R1: 3.0

R: 3.0

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