AT21140: Engine Crankshaft Main Bearing | Shop.Deere.com
Original
AT21140: Engine Crankshaft Main Bearing
Part Number: AT21140
Parts Tier: Original
John Deere engine crankshaft main bearing supports smooth rotation and stability for reliable performance in critical engine assemblies
Axial load management in this bearing helps handle forces along the shaft, supporting consistent operation under varying conditions
Controlled component positioning allows this bearing to maintain accurate crankshaft alignment throughout engine cycles
Wear reduction properties help protect adjacent engine parts, contributing to longer service intervals and reduced maintenance needs
Fitment and integration of this bearing support straightforward installation within compatible John Deere engine systems
Product Dimensions
Weight
0.311 lb
Height
1.2 in
Width
3.4 in
Length
3.4 in
For the most accurate fit and confidence, please select the equipment you are shopping for. Parts can be used across a number of different models, the models shown here indicate general fit of the part.
5D-5205
5E-5210
5E-5303
5E-5310
5E-5403
5E-5405
210C
240
250
260
270
300D
310D
315D
330B
335
344E
344G
410D
430B
435
444E
444G
450G
455G
482C
510D
540E
540G-II
544E
544G
548E
548G-II
550G
555G
570B
624E
624G
640E
643D
648E
648G
650G
653E
670B
672B
710D
748E
748G-III
750C
850C
2054
2056
2058
2254
2256
2258
3029D
3029DAT01
3029DF120
3029DF124
3029DF128
3029DF129
3029DF150
3029DF151
3029DF160
3029DF180
3029DFG20
3029DFS29
3029DFU20
3029DFU29
3029DFU29R
3029DSG20
3029DV100
3029HF270
3029HFC03
3029HFG03
3029HFG20
3029HFG80
3029HFG89
3029HFU20
3029HFU80
3029HFU89
3029HG530
3029HI530
3029HP530
3029T
3029TF120
3029TF129
3029TF150
3029TF152
3029TF158
3029TF160
3029TF180
3029TF270
3029TFG20
3029TFG80
3029TFG89
3029TFH79
3029TFS29
3029TFU20
3029TFU29
3029TFU80
3029TFU89
3029TSG20
3029TV100
3029WG401
3029WG501
4039D
4039DF007
4039DF008
4039T
4039TF001
4039TF007
4039TF008
4045D
4045DF001
4045DF158
4045HF158
4045TF001
4045TF158
4045TF258
4219DF01
4239DF001
4239DT004
4239TF001
4276DF01
4276T
4276TF01
5005
5036C
5036D
5038D
5039C
5039D
5040D
5041C
5042C
5042D
5045D
5045E
5047D
5050D
5050E
5055D
5055E
5058E
5060E
5060EN
5065E
5067E
5070E
5075E
5075EF
5075EN
5075M
5080E
5080EN
5103
5103E
5103S
5104
5105
5203
5203S
5204
5205
5210
5220
5303
5305
5310
5310N
5320
5320N
5400N
5403
5410
5420N
5500N
5503
5510
5510N
5520N
5610
6059TF001
6059TF002
6059TF004
6068D
6068DF
6068DF001
6068DFM01
6068HF158
6068HF258
6068TF001
6068TF158
6068TF258
6068TFM01
6329DF01
6359DF001
6359TF001
6400
6414D
6414T
6414TDW14
6414TDW16
7200
7220
7320
7400
7500
7600
7700
7800
8875
9400
R40
W50
W70
W70 V2
Return Information
Return Items identified as ‘Eligible for Return’ are eligible
for refund within 30 days of invoicing. Returned Items must be
returned in new condition and in its original packaging with
all paperwork including manuals, assembly instructions and
your packing slip. Parts must be returned to the seller listed
on your e-commerce invoice. Return eligibility & processing
will be verified by the dealer at time of return. View Return Policy for complete information.
Generally, parts purchased from Shop.Deere.com are covered by the John Deere Parts Warranty, covering defects in material and workmanship, for a minimum period of 6 months from receipt. For complete warranty information, please contact your local authorized John Deere dealer.