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PTFE BJ4 Sleeve (Plain) Bearings
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BJ4 bearings operate at PV values up to approximately 30,000 dry. Ideal for rotary and linear bearings, BJ4 eliminates the need for lubrication in almost any environment. (JLON 4200)
Temperature range: -250°F/+550°:F
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Item #
Nominal Size I.D.
Nominal Size O.D.
I.D. Min
I.D. Max
O.D. Min
O.D. Max
Length (±0.005in)
Recommended Housing Bore
Recommended Shaft Size
BJ4S020402
1/8
in
1/4
in
0.1290
in
0.1310
in
0.2510
in
0.2530
in
1/4
in
0.2500
in
0.1250
in
BJ4S020403
1/8
in
1/4
in
0.1290
in
0.1310
in
0.2510
in
0.2530
in
3/8
in
0.2500
in
0.1250
in
BJ4S030502
3/16
in
5/16
in
0.1910
in
0.1930
in
0.3130
in
0.3150
in
1/4
in
0.3125
in
0.1875
in
BJ4S030503
3/16
in
5/16
in
0.1910
in
0.1930
in
0.3130
in
0.3150
in
3/8
in
0.3125
in
0.1875
in
BJ4S030504
3/16
in
5/16
in
0.1910
in
0.1930
in
0.3130
in
0.3150
in
1/2
in
0.3125
in
0.1875
in
BJ4S040602
1/4
in
3/8
in
0.2540
in
0.2560
in
0.3760
in
0.3780
in
1/4
in
0.3750
in
0.2500
in
BJ4S040603
1/4
in
3/8
in
0.2540
in
0.2560
in
0.3760
in
0.3780
in
3/8
in
0.3750
in
0.2500
in
BJ4S040604
1/4
in
3/8
in
0.2540
in
0.2560
in
0.3760
in
0.3780
in
1/2
in
0.3750
in
0.2500
in
BJ4S050803
5/16
in
1/2
in
0.3160
in
0.3180
in
0.5010
in
0.5030
in
3/8
in
0.5000
in
0.3125
in
BJ4S050804
5/16
in
1/2
in
0.3160
in
0.3180
in
0.5010
in
0.5030
in
1/2
in
0.5000
in
0.3125
in
BJ4S060903
3/8
in
9/16
in
0.3790
in
0.3810
in
0.5630
in
0.5650
in
3/8
in
0.5625
in
0.3750
in
BJ4S060904
3/8
in
9/16
in
0.3790
in
0.3810
in
0.5630
in
0.5650
in
1/2
in
0.5625
in
0.3750
in
BJ4S060906
3/8
in
9/16
in
0.3790
in
0.3810
in
0.5630
in
0.5650
in
3/4
in
0.5625
in
0.3750
in
BJ4S071003
7/16
in
5/8
in
0.4410
in
0.4430
in
0.6260
in
0.6280
in
3/8
in
0.6250
in
0.4375
in
BJ4S071004
7/16
in
5/8
in
0.4410
in
0.4430
in
0.6260
in
0.6280
in
1/2
in
0.6250
in
0.4375
in
BJ4S071006
7/16
in
5/8
in
0.4410
in
0.4430
in
0.6260
in
0.6280
in
3/4
in
0.6250
in
0.4375
in
BJ4S081204
1/2
in
3/4
in
0.5040
in
0.5060
in
0.7510
in
0.7530
in
1/2
in
0.7500
in
0.5000
in
BJ4S081206
1/2
in
3/4
in
0.5040
in
0.5060
in
0.7510
in
0.7530
in
3/4
in
0.7500
in
0.5000
in
BJ4S081208
1/2
in
3/4
in
0.5040
in
0.5060
in
0.7510
in
0.7530
in
1
in
0.7500
in
0.5000
in
BJ4S091304
9/16
in
13/16
in
0.5670
in
0.5690
in
0.8130
in
0.8150
in
1/2
in
0.8125
in
0.5625
in
BJ4S091306
9/16
in
13/16
in
0.5670
in
0.5690
in
0.8130
in
0.8150
in
3/4
in
0.8125
in
0.5625
in
BJ4S091308
9/16
in
13/16
in
0.5670
in
0.5690
in
0.8130
in
0.8150
in
1
in
0.8125
in
0.5625
in
BJ4S101405
5/8
in
7/8
in
0.6300
in
0.6320
in
0.8760
in
0.8780
in
5/8
in
0.8750
in
0.6250
in
BJ4S101406
5/8
in
7/8
in
0.6300
in
0.6320
in
0.8760
in
0.8780
in
3/4
in
0.8750
in
0.6250
in
BJ4S101408
5/8
in
7/8
in
0.6300
in
0.6320
in
0.8760
in
0.8780
in
1
in
0.8750
in
0.6250
in
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