Standard Steel

United States

• SIZE OF JOURNAL6" X 11" 6 ½" X 12" 7" X 12" 6 ½" X 9"

STANDARD AAR ROLLER BEARING FREIGHT CAR AXLES (M-101) CLASSIFICATION OF AXLE E F G K SIZE OF JOURNAL 6" X 11" 6 ½" X 12" 7" X 12" 6 ½" X 9" OVERALL LENGTH 88" 89 58" 89 ¼" 87.156"

• AAR TypeJ-33 M-33 P-33 H-36 J-36 K-36 B-38 C-38
• Status DateSTND 1956 STND 1961 STND 1984 STND 1962 STND 1962 STND 1962 STND 1964 STND 1964

STANDARD AAR WHEEL TYPES - WIDE FLANGE CONTOUR – FOR FREIGHT CAR SERVICE - CARBON STEEL (M-107M-208) AAR Type J-33 M-33 P-33 H-36 J-36 K-36 B-38 C-38 Status Date STND 1956 STND 1961 STND 1984 STND 1962 STND 1962 STND 1962 STND 1964 STND 1964 Effective Date 1968 1968 1985 1972 1968 1968 1973 1968 Tread Type 1-W 2-W M-W 1-W 2-W M-W 1-W 2-W Intended Axle Class 5½ x 10 6 x 11 5½ x 10 6 x 11 5½ x 10 6 x 11 6½ x 12 7 x 12 6½ x 12 6½ x 9 6½ x 12 6½ x 9 6½ x 12 6½ x 9 7 x 12 7 x 12 Max. Cap. Per Wheel LBS. 27, 500 27, 500 32, 875 35, 750 35, 750 35, 750 39, 375 39, 375 DIMENSION AND TOLERANCES - ALL ENTRIES IN INCHES, EXCEPT TAPES D 33 + 14 TAPES (5% -5) 33 + 14 TAPES (5% -5) 33 + 14 TAPES (5% -5) 36 + 14 TAPES (5% -5) 36 + 14 TAPES (5% -5) 36 + 14 TAPES (5% -5) 38 + 14 TAPES (5% -5) 38 + 14 TAPES (5% -5) G (MIN) 1 ¼ 2 2 ½ 1 ½ 2 2 ½ 1 ½ 2 Rim Width 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ 5 2332 ± ⅛ N (MIN) ⅝ ⅝ ¾ ¾ ¾ ¾ ⅞ ⅞ O1 +1 10 ⅝ -0 +1 10 ⅝ -0 +1 11 ⅞ -0 +1 11 ⅛ -0 +1 11 ⅛ -0 +1 11 ⅛ -0 +1 12 ⅛ -0 +1 12 ⅛ -0 O2 +1 10 ⅝ -0 +1 10 ⅝ -0 +1 11 ⅞ -0 +1 11 ⅛ -0 +1 11 ⅛ -0 +1 11 ⅛ -0 +1 12 ⅛ -0 +1 12 ⅛ -0 Max Finish Bore 8 ⅜ 8 ⅜ 9 ⅝ 8 ⅞ 8 ⅞ 8 ⅞ 9 ⅝ 9 ⅝ Min Hub Wall 1 ⅛ 1 ⅛ 1 ⅛ 1 ⅛ 1 ⅛ 1 ⅛ 1 ¼ 1 ¼ R1 7 ± ¼ 7 ± ¼ 7 ± ¼ 7 ± ¼ 7 ± ¼ 7 ± ¼ 7 ± ¼ 7 ± ¼ R2 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ 2 ½ ± ⅛ The key for these meaurements is available here. Locomotive Wheels STANDARD AAR WHEEL TYPES - NARROW FLANGE CONTOUR - FOR DIESEL LOCOMOTIVE AAR Type E-40 A-41 A-43 D-42 E-42 Status Date STND 1982 STND 1997 STND 1997 STND 1997 STND 1997 Effective Date 3183 1997 1997 1997 1997 Tread Type M-W* M-W* M-W* M-W M-W Intended Service Diesel Loco. Diesel Loco. Diesel Loco. Diesel Loco. Diesel Loco. DIMENSIONS AND TOLERANCES - ALL ENTRIES IN INCHES, EXCEPT TAPES D 40" Tapes +14 -0 41" Tapes +14 -0 43" Tapes +14 -0 42" Tapes +14 -0 42" Tapes +14 -0 G (min) 2½ 3 3 2½ 3½ Rim Width 5 2332 ± ⅛ (5 ½ ± ⅛ alternate) 5 2332 ± ⅛ (5 ½ ± ⅛ alternate) 5 2332 ± ⅛ (5 ½ ± ⅛ alternate) 5 2332 ± ⅛ (5 ½ ± ⅛ alternate) 5 2332 ± ⅛ (5 ½ ± ⅛ alternate) N (min) 1 1 1 1 1 O1 12 ½ ± ⅛ 12 ½ ± ⅛ 12 ½ ± ⅛ 12 ½ ± ⅛ 12 ½ ± ⅛ O2 13 ¼ ± ⅛ 13 ¼ ± ⅛ 13 ¼ ± ⅛ 13 ¼ ± ⅛ 13 ¼ ± ⅛ P 6 ½ ± ⅛ 6 ½ ± ⅛ 6 ½ ± ⅛ 6 ½ ± ⅛ 6 ½ ± ⅛ R1 4 1316 ± ⅛ 4 1316 ± ⅛ 4 1316 ± ⅛ 4 1316 ± ⅛ 4 1316 ± ⅛ R2 1 1116 f 1 1116 f 1 1116 f 1 1116 f 1 1116 f Max Finish Bore 9 1516 9 1516 9 1516 9 1516 9 1516 Min Hub Wall ** 1 ⅛ 1 ⅛ 1 ⅛ 1 ⅛ 1 ⅛ Note: Where dimension R2 is marked "f", extra stock of 116" to 316" over specified dimension may be left for machining of each finished surface or wheel may be furnished finished to exact dimension shown. Hub length tolerance is based on finished dimension. * Reference Groove Required - See AAR RP-619 ** Hub wall thickness may be reduced as necessary for application of roller bearing water guard. Passenger Wheels Standard Steel currently manufactures a variety of types and sizes wheels for the passengertransit markets. Full specifications and quotes are available by contacting a sales representative.