It's best practice before buying any set of bearings to first measure your bearing journals with a set of quality micrometers.  This is usually handled by your machinist/engine assembler.  For your convenience we've provided some factory specifications:


RB26 Main Bearing Journals Inside Diameter

⦶ 58.645 ~ 58.670

RB26 Main Bearing Journals Crankshaft Diameter

⦶ 54.951 ~ 54.975

RB26 Connecting Rod Big End Inside Diameter

⦶ 51.000 ~ 51.013

RB26 Connecting Rod Big End Crankshaft Diameter

⦶ 47.961 ~ 47.974

King Nissan RB25/RB26 (Size 0.25mm) Performance Rod Bearing Set

124.00124.0USD
0

King Nissan RB25/RB26 (Size 0.025mm) Performance Rod Bearing Set

124.00124.0USD
0

King Nissan RB25/RB26 (Size STD +.001) Performance Rod Bearing Set

124.00124.0USD
0

King Nissan RB25/RB26 (Size STD) Performance Rod Bearing Set

124.00124.0USD
0

King Nissan RB25DETT/RB26DETT (Size 0.25mm) High Performance Main Bearing Set

168.00168.0USD
0

King Nissan RB25DETT/RB26DETT (Size STD) High Performance Main Bearing Set

168.00168.0USD
0

Cosworth PR7892 Performance Main Bearing Set - RB25 RB26

180.00180.0USD
0

Cosworth PR7655 Performance Main Bearing Set (Size 2) - RB25 RB26

180.00180.0USD
0

Cosworth PR7891 Performance Rod Bearing Set - RB25 RB26

90.0090.0USD
0

ACL 7M2428HX-STD Race Series Main Bearing Set (+0.001+ Extra) - Nissan RB26

144.76108.57108.57USD
0

ACL 7M2428H-STD Race Series Main Bearing Set (Standard) - Nissan RB26

144.76108.57108.57USD
0

ACL 7M2428H-.50 Race Series Main Bearing Set (+0.50”) - Nissan RB26

144.76108.57108.57USD
0

ACL 7M2428H-.25 Race Series Main Bearing Set (+0.25”) - Nissan RB26

144.76108.57108.57USD
0

ACL 7M2428H-.025 Race Series Main Bearing Set (+0.025”) - Nissan RB26

144.76108.57108.57USD
0

ACL 6B2960HX-STD Race Series Rod Bearing Set (+0.001+ Extra) - Nissan RB25 RB26

67.1050.3350.325USD
0

ACL 6B2960H-STD Race Series Rod Bearing Set (Standard) - Nissan RB25 RB26

67.1050.3350.325USD
0

ACL 6B2960H-.50 Race Series Rod Bearing Set (+0.50”) - Nissan RB25 RB26

67.1050.3350.325USD
0

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